diff --git a/locales/ja.yml b/locales/ja.yml
index 400b79ab69..959865ce0d 100644
--- a/locales/ja.yml
+++ b/locales/ja.yml
@@ -331,8 +331,10 @@ desktop/views/components/drive.vue:
     url-upload: "URLからアップロード"
 
 desktop/views/components/follow-button.vue:
-  unfollow: "フォロー解除"
-  follow: "フォローする"
+  unfollow: "フォロー中"
+  follow: "フォロー"
+  request-pending: "フォロー許可待ち"
+  follow-request: "フォロー申請"
 
 desktop/views/components/followers-window.vue:
   followers: "{} のフォロワー"
@@ -596,6 +598,7 @@ desktop/views/components/ui.header.account.vue:
   drive: "ドライブ"
   favorites: "お気に入り"
   lists: "リスト"
+  follow-requests: "フォロー申請"
   customize: "カスタマイズ"
   settings: "設定"
   signout: "サインアウト"
@@ -615,7 +618,13 @@ desktop/views/components/ui.header.post.vue:
 desktop/views/components/ui.header.search.vue:
   placeholder: "検索"
 
+desktop/views/components/received-follow-requests-window.vue:
+  title: "フォロー申請"
+  accept: "承認"
+  reject: "拒否"
+
 desktop/views/components/user-lists-window.vue:
+  title: "リスト"
   create-list: "リストを作成"
 
 desktop/views/components/user-preview.vue:
@@ -771,8 +780,10 @@ mobile/views/components/drive.file-detail.vue:
   exif: "EXIF"
 
 mobile/views/components/follow-button.vue:
+  unfollow: "フォロー中"
   follow: "フォロー"
-  unfollow: "フォロー解除"
+  request-pending: "フォロー許可待ち"
+  follow-request: "フォロー申請"
 
 mobile/views/components/friends-maker.vue:
   title: "気になるユーザーをフォロー"
@@ -841,6 +852,7 @@ mobile/views/components/ui.nav.vue:
   timeline: "タイムライン"
   notifications: "通知"
   messaging: "メッセージ"
+  follow-requests: "フォロー申請"
   search: "検索"
   drive: "ドライブ"
   favorites: "お気に入り"
@@ -889,6 +901,11 @@ mobile/views/pages/messaging.vue:
 mobile/views/pages/messaging-room.vue:
   messaging: "メッセージ"
 
+mobile/views/pages/received-follow-requests.vue:
+  title: "フォロー申請"
+  accept: "承認"
+  reject: "拒否"
+
 mobile/views/pages/note.vue:
   title: "投稿"
   prev: "前の投稿"
diff --git a/src/client/app/common/scripts/streaming/home.ts b/src/client/app/common/scripts/streaming/home.ts
index 50bbb56896..f07d0289f6 100644
--- a/src/client/app/common/scripts/streaming/home.ts
+++ b/src/client/app/common/scripts/streaming/home.ts
@@ -20,7 +20,7 @@ export class HomeStream extends Stream {
 		}, 1000 * 60);
 
 		// 自分の情報が更新されたとき
-		this.on('i_updated', i => {
+		this.on('meUpdated', i => {
 			if (os.debug) {
 				console.log('I updated:', i);
 			}
diff --git a/src/client/app/desktop/views/components/follow-button.vue b/src/client/app/desktop/views/components/follow-button.vue
index dae7604957..c7549c374e 100644
--- a/src/client/app/desktop/views/components/follow-button.vue
+++ b/src/client/app/desktop/views/components/follow-button.vue
@@ -1,19 +1,16 @@
 <template>
 <button class="mk-follow-button"
-	:class="{ wait, follow: !user.isFollowing, unfollow: user.isFollowing, big: size == 'big' }"
+	:class="{ wait, active: u.isFollowing || u.hasPendingFollowRequestFromYou, big: size == 'big' }"
 	@click="onClick"
 	:disabled="wait"
-	:title="user.isFollowing ? '%i18n:@unfollow%' : '%i18n:@follow%'"
 >
-	<template v-if="!wait && user.isFollowing">
-		<template v-if="size == 'compact'">%fa:minus%</template>
-		<template v-if="size == 'big'">%fa:minus%%i18n:@unfollow%</template>
+	<template v-if="!wait">
+		<template v-if="u.hasPendingFollowRequestFromYou">%fa:hourglass-half%<template v-if="size == 'big'"> %i18n:@request-pending%</template></template>
+		<template v-else-if="u.isFollowing">%fa:minus%<template v-if="size == 'big'"> %i18n:@unfollow%</template></template>
+		<template v-else-if="!u.isFollowing && u.isLocked">%fa:plus%<template v-if="size == 'big'"> %i18n:@follow-request%</template></template>
+		<template v-else-if="!u.isFollowing && !u.isLocked">%fa:plus%<template v-if="size == 'big'"> %i18n:@follow%</template></template>
 	</template>
-	<template v-if="!wait && !user.isFollowing">
-		<template v-if="size == 'compact'">%fa:plus%</template>
-		<template v-if="size == 'big'">%fa:plus%%i18n:@follow%</template>
-	</template>
-	<template v-if="wait">%fa:spinner .pulse .fw%</template>
+	<template v-else>%fa:spinner .pulse .fw%</template>
 </button>
 </template>
 
@@ -34,6 +31,7 @@ export default Vue.extend({
 
 	data() {
 		return {
+			u: this.user,
 			wait: false,
 			connection: null,
 			connectionId: null
@@ -56,39 +54,44 @@ export default Vue.extend({
 
 	methods: {
 		onFollow(user) {
-			if (user.id == this.user.id) {
+			if (user.id == this.u.id) {
 				this.user.isFollowing = user.isFollowing;
 			}
 		},
 
 		onUnfollow(user) {
-			if (user.id == this.user.id) {
+			if (user.id == this.u.id) {
 				this.user.isFollowing = user.isFollowing;
 			}
 		},
 
-		onClick() {
+		async onClick() {
 			this.wait = true;
-			if (this.user.isFollowing) {
-				(this as any).api('following/delete', {
-					userId: this.user.id
-				}).then(() => {
-					this.user.isFollowing = false;
-				}).catch(err => {
-					console.error(err);
-				}).then(() => {
-					this.wait = false;
-				});
-			} else {
-				(this as any).api('following/create', {
-					userId: this.user.id
-				}).then(() => {
-					this.user.isFollowing = true;
-				}).catch(err => {
-					console.error(err);
-				}).then(() => {
-					this.wait = false;
-				});
+
+			try {
+				if (this.u.isFollowing) {
+					this.u = await (this as any).api('following/delete', {
+						userId: this.u.id
+					});
+				} else {
+					if (this.u.isLocked && this.u.hasPendingFollowRequestFromYou) {
+						this.u = await (this as any).api('following/requests/cancel', {
+							userId: this.u.id
+						});
+					} else if (this.u.isLocked) {
+						this.u = await (this as any).api('following/create', {
+							userId: this.u.id
+						});
+					} else {
+						this.u = await (this as any).api('following/create', {
+							userId: this.user.id
+						});
+					}
+				}
+			} catch (e) {
+				console.error(e);
+			} finally {
+				this.wait = false;
 			}
 		}
 	}
@@ -124,7 +127,7 @@ root(isDark)
 			border 2px solid rgba($theme-color, 0.3)
 			border-radius 8px
 
-	&.follow
+	&:not(.active)
 		color isDark ? #fff : #888
 		background isDark ? linear-gradient(to bottom, #313543 0%, #282c37 100%) : linear-gradient(to bottom, #ffffff 0%, #f5f5f5 100%)
 		border solid 1px isDark ? #1c2023 : #e2e2e2
@@ -137,7 +140,7 @@ root(isDark)
 			background isDark ? #22262f : #ececec
 			border-color isDark ? #151a1d : #dcdcdc
 
-	&.unfollow
+	&.active
 		color $theme-color-foreground
 		background linear-gradient(to bottom, lighten($theme-color, 25%) 0%, lighten($theme-color, 10%) 100%)
 		border solid 1px lighten($theme-color, 15%)
@@ -162,9 +165,6 @@ root(isDark)
 		height 38px
 		line-height 38px
 
-		i
-			margin-right 8px
-
 .mk-follow-button[data-darkmode]
 	root(true)
 
diff --git a/src/client/app/desktop/views/components/notifications.vue b/src/client/app/desktop/views/components/notifications.vue
index 5564dad623..f2247a782c 100644
--- a/src/client/app/desktop/views/components/notifications.vue
+++ b/src/client/app/desktop/views/components/notifications.vue
@@ -5,6 +5,7 @@
 			<template v-for="(notification, i) in _notifications">
 				<div class="notification" :class="notification.type" :key="notification.id">
 					<mk-time :time="notification.createdAt"/>
+
 					<template v-if="notification.type == 'reaction'">
 						<mk-avatar class="avatar" :user="notification.user"/>
 						<div class="text">
@@ -17,6 +18,7 @@
 							</router-link>
 						</div>
 					</template>
+
 					<template v-if="notification.type == 'renote'">
 						<mk-avatar class="avatar" :user="notification.note.user"/>
 						<div class="text">
@@ -28,6 +30,7 @@
 							</router-link>
 						</div>
 					</template>
+
 					<template v-if="notification.type == 'quote'">
 						<mk-avatar class="avatar" :user="notification.note.user"/>
 						<div class="text">
@@ -37,6 +40,7 @@
 							<router-link class="note-preview" :to="notification.note | notePage">{{ getNoteSummary(notification.note) }}</router-link>
 						</div>
 					</template>
+
 					<template v-if="notification.type == 'follow'">
 						<mk-avatar class="avatar" :user="notification.user"/>
 						<div class="text">
@@ -45,6 +49,16 @@
 							</p>
 						</div>
 					</template>
+
+					<template v-if="notification.type == 'receiveFollowRequest'">
+						<mk-avatar class="avatar" :user="notification.user"/>
+						<div class="text">
+							<p>%fa:user-clock%
+								<router-link :to="notification.user | userPage" v-user-preview="notification.user.id">{{ notification.user | userName }}</router-link>
+							</p>
+						</div>
+					</template>
+
 					<template v-if="notification.type == 'reply'">
 						<mk-avatar class="avatar" :user="notification.note.user"/>
 						<div class="text">
@@ -54,6 +68,7 @@
 							<router-link class="note-preview" :to="notification.note | notePage">{{ getNoteSummary(notification.note) }}</router-link>
 						</div>
 					</template>
+
 					<template v-if="notification.type == 'mention'">
 						<mk-avatar class="avatar" :user="notification.note.user"/>
 						<div class="text">
@@ -63,6 +78,7 @@
 							<a class="note-preview" :href="notification.note | notePage">{{ getNoteSummary(notification.note) }}</a>
 						</div>
 					</template>
+
 					<template v-if="notification.type == 'poll_vote'">
 						<mk-avatar class="avatar" :user="notification.user"/>
 						<div class="text">
@@ -73,6 +89,7 @@
 						</div>
 					</template>
 				</div>
+
 				<p class="date" v-if="i != notifications.length - 1 && notification._date != _notifications[i + 1]._date" :key="notification.id + '-time'">
 					<span>%fa:angle-up%{{ notification._datetext }}</span>
 					<span>%fa:angle-down%{{ _notifications[i + 1]._datetext }}</span>
@@ -251,6 +268,10 @@ root(isDark)
 					.text p i
 						color #53c7ce
 
+				&.receiveFollowRequest
+					.text p i
+						color #888
+
 				&.reply, &.mention
 					.text p i
 						color #555
diff --git a/src/client/app/desktop/views/components/received-follow-requests-window.vue b/src/client/app/desktop/views/components/received-follow-requests-window.vue
new file mode 100644
index 0000000000..fd37c0a6aa
--- /dev/null
+++ b/src/client/app/desktop/views/components/received-follow-requests-window.vue
@@ -0,0 +1,72 @@
+<template>
+<mk-window ref="window" is-modal width="450px" height="500px" @closed="$destroy">
+	<span slot="header">%fa:envelope R% %i18n:@title%</span>
+
+	<div data-id="c1136cec-1278-49b1-9ea7-412c1ef794f4" :data-darkmode="$store.state.device.darkmode">
+		<div v-for="req in requests">
+			<router-link :key="req.id" :to="req.follower | userPage">{{ req.follower | userName }}</router-link>
+			<span>
+				<a @click="accept(req.follower)">%i18n:@accept%</a>|<a @click="reject(req.follower)">%i18n:@reject%</a>
+			</span>
+		</div>
+	</div>
+</mk-window>
+</template>
+
+<script lang="ts">
+import Vue from 'vue';
+export default Vue.extend({
+	data() {
+		return {
+			fetching: true,
+			requests: []
+		};
+	},
+	mounted() {
+		(this as any).api('following/requests/list').then(requests => {
+			this.fetching = false;
+			this.requests = requests;
+		});
+	},
+	methods: {
+		accept(user) {
+			(this as any).api('following/requests/accept', { userId: user.id }).then(() => {
+				this.requests = this.requests.filter(r => r.follower.id != user.id);
+			});
+		},
+		reject(user) {
+			(this as any).api('following/requests/reject', { userId: user.id }).then(() => {
+				this.requests = this.requests.filter(r => r.follower.id != user.id);
+			});
+		},
+		close() {
+			(this as any).$refs.window.close();
+		}
+	}
+});
+</script>
+
+<style lang="stylus" scoped>
+
+root(isDark)
+	padding 16px
+
+	> button
+		margin-bottom 16px
+
+	> div
+		display flex
+		padding 16px
+		border solid 1px isDark ? #1c2023 : #eee
+		border-radius 4px
+
+		> span
+			margin 0 0 0 auto
+
+[data-id="c1136cec-1278-49b1-9ea7-412c1ef794f4"][data-darkmode]
+	root(true)
+
+[data-id="c1136cec-1278-49b1-9ea7-412c1ef794f4"]:not([data-darkmode])
+	root(false)
+
+</style>
diff --git a/src/client/app/desktop/views/components/settings.profile.vue b/src/client/app/desktop/views/components/settings.profile.vue
index 9932cbf7db..0b3a25f389 100644
--- a/src/client/app/desktop/views/components/settings.profile.vue
+++ b/src/client/app/desktop/views/components/settings.profile.vue
@@ -23,7 +23,11 @@
 	</label>
 	<button class="ui primary" @click="save">%i18n:@save%</button>
 	<section>
-		<h2>その他</h2>
+		<h2>%i18n:@locked-account%</h2>
+		<mk-switch v-model="$store.state.i.isLocked" @change="onChangeIsLocked" text="%i18n:@is-locked%"/>
+	</section>
+	<section>
+		<h2>%i18n:@other%</h2>
 		<mk-switch v-model="$store.state.i.isBot" @change="onChangeIsBot" text="%i18n:@is-bot%"/>
 		<mk-switch v-model="$store.state.i.isCat" @change="onChangeIsCat" text="%i18n:@is-cat%"/>
 	</section>
@@ -62,6 +66,11 @@ export default Vue.extend({
 				(this as any).apis.notify('プロフィールを更新しました');
 			});
 		},
+		onChangeIsLocked() {
+			(this as any).api('i/update', {
+				isLocked: this.$store.state.i.isLocked
+			});
+		},
 		onChangeIsBot() {
 			(this as any).api('i/update', {
 				isBot: this.$store.state.i.isBot
diff --git a/src/client/app/desktop/views/components/ui.header.account.vue b/src/client/app/desktop/views/components/ui.header.account.vue
index 8d26691f84..4e0fc1cf1a 100644
--- a/src/client/app/desktop/views/components/ui.header.account.vue
+++ b/src/client/app/desktop/views/components/ui.header.account.vue
@@ -19,6 +19,9 @@
 				<li @click="list">
 					<p>%fa:list%<span>%i18n:@lists%</span>%fa:angle-right%</p>
 				</li>
+				<li @click="followRequests" v-if="$store.state.i.isLocked">
+					<p>%fa:envelope R%<span>%i18n:@follow-requests%<i v-if="$store.state.i.pendingReceivedFollowRequestsCount">{{ $store.state.i.pendingReceivedFollowRequestsCount }}</i></span>%fa:angle-right%</p>
+				</li>
 			</ul>
 			<ul>
 				<li>
@@ -46,6 +49,7 @@
 <script lang="ts">
 import Vue from 'vue';
 import MkUserListsWindow from './user-lists-window.vue';
+import MkFollowRequestsWindow from './received-follow-requests-window.vue';
 import MkSettingsWindow from './settings-window.vue';
 import MkDriveWindow from './drive-window.vue';
 import contains from '../../../common/scripts/contains';
@@ -91,6 +95,10 @@ export default Vue.extend({
 				this.$router.push(`i/lists/${ list.id }`);
 			});
 		},
+		followRequests() {
+			this.close();
+			(this as any).os.new(MkFollowRequestsWindow);
+		},
 		settings() {
 			this.close();
 			(this as any).os.new(MkSettingsWindow);
@@ -225,6 +233,16 @@ root(isDark)
 					> span:first-child
 						padding-left 22px
 
+					> span:nth-child(2)
+						> i
+							margin-left 4px
+							padding 2px 8px
+							font-size 90%
+							font-style normal
+							background $theme-color
+							color $theme-color-foreground
+							border-radius 8px
+
 					> [data-fa]:first-child
 						margin-right 6px
 						width 16px
diff --git a/src/client/app/desktop/views/components/user-lists-window.vue b/src/client/app/desktop/views/components/user-lists-window.vue
index 454c725d20..109d1695d8 100644
--- a/src/client/app/desktop/views/components/user-lists-window.vue
+++ b/src/client/app/desktop/views/components/user-lists-window.vue
@@ -1,6 +1,6 @@
 <template>
 <mk-window ref="window" is-modal width="450px" height="500px" @closed="$destroy">
-	<span slot="header">%fa:list% リスト</span>
+	<span slot="header">%fa:list% %i18n:@title%</span>
 
 	<div data-id="6e4caea3-d8f9-4ab7-96de-ab67fe8d5c82" :data-darkmode="$store.state.device.darkmode">
 		<button class="ui" @click="add">%i18n:@create-list%</button>
diff --git a/src/client/app/mobile/script.ts b/src/client/app/mobile/script.ts
index 607ff63711..300615ec58 100644
--- a/src/client/app/mobile/script.ts
+++ b/src/client/app/mobile/script.ts
@@ -32,6 +32,7 @@ import MkNotifications from './views/pages/notifications.vue';
 import MkWidgets from './views/pages/widgets.vue';
 import MkMessaging from './views/pages/messaging.vue';
 import MkMessagingRoom from './views/pages/messaging-room.vue';
+import MkReceivedFollowRequests from './views/pages/received-follow-requests.vue';
 import MkNote from './views/pages/note.vue';
 import MkSearch from './views/pages/search.vue';
 import MkFollowers from './views/pages/followers.vue';
@@ -78,6 +79,7 @@ init((launch) => {
 			{ path: '/i/favorites', name: 'favorites', component: MkFavorites },
 			{ path: '/i/lists', name: 'user-lists', component: MkUserLists },
 			{ path: '/i/lists/:list', name: 'user-list', component: MkUserList },
+			{ path: '/i/received-follow-requests', name: 'received-follow-requests', component: MkReceivedFollowRequests },
 			{ path: '/i/widgets', name: 'widgets', component: MkWidgets },
 			{ path: '/i/messaging', name: 'messaging', component: MkMessaging },
 			{ path: '/i/messaging/:user', component: MkMessagingRoom },
diff --git a/src/client/app/mobile/views/components/follow-button.vue b/src/client/app/mobile/views/components/follow-button.vue
index a6b5cf0556..d8441a20b9 100644
--- a/src/client/app/mobile/views/components/follow-button.vue
+++ b/src/client/app/mobile/views/components/follow-button.vue
@@ -1,13 +1,16 @@
 <template>
 <button class="mk-follow-button"
-	:class="{ wait: wait, follow: !user.isFollowing, unfollow: user.isFollowing }"
+	:class="{ wait: wait, active: u.isFollowing || u.hasPendingFollowRequestFromYou }"
 	@click="onClick"
 	:disabled="wait"
 >
-	<template v-if="!wait && user.isFollowing">%fa:minus%</template>
-	<template v-if="!wait && !user.isFollowing">%fa:plus%</template>
-	<template v-if="wait">%fa:spinner .pulse .fw%</template>
-	{{ user.isFollowing ? '%i18n:@unfollow%' : '%i18n:@follow%' }}
+	<template v-if="!wait">
+		<template v-if="u.hasPendingFollowRequestFromYou">%fa:hourglass-half% %i18n:@request-pending%</template>
+		<template v-else-if="u.isFollowing">%fa:minus% %i18n:@unfollow%</template>
+		<template v-else-if="!u.isFollowing && u.isLocked">%fa:plus% %i18n:@follow-request%</template>
+		<template v-else-if="!u.isFollowing && !u.isLocked">%fa:plus% %i18n:@follow%</template>
+	</template>
+	<template v-else>%fa:spinner .pulse .fw%</template>
 </button>
 </template>
 
@@ -22,6 +25,7 @@ export default Vue.extend({
 	},
 	data() {
 		return {
+			u: this.user,
 			wait: false,
 			connection: null,
 			connectionId: null
@@ -42,39 +46,44 @@ export default Vue.extend({
 	methods: {
 
 		onFollow(user) {
-			if (user.id == this.user.id) {
-				this.user.isFollowing = user.isFollowing;
+			if (user.id == this.u.id) {
+				this.u.isFollowing = user.isFollowing;
 			}
 		},
 
 		onUnfollow(user) {
-			if (user.id == this.user.id) {
-				this.user.isFollowing = user.isFollowing;
+			if (user.id == this.u.id) {
+				this.u.isFollowing = user.isFollowing;
 			}
 		},
 
-		onClick() {
+		async onClick() {
 			this.wait = true;
-			if (this.user.isFollowing) {
-				(this as any).api('following/delete', {
-					userId: this.user.id
-				}).then(() => {
-					this.user.isFollowing = false;
-				}).catch(err => {
-					console.error(err);
-				}).then(() => {
-					this.wait = false;
-				});
-			} else {
-				(this as any).api('following/create', {
-					userId: this.user.id
-				}).then(() => {
-					this.user.isFollowing = true;
-				}).catch(err => {
-					console.error(err);
-				}).then(() => {
-					this.wait = false;
-				});
+
+			try {
+				if (this.u.isFollowing) {
+					this.u = await (this as any).api('following/delete', {
+						userId: this.u.id
+					});
+				} else {
+					if (this.u.isLocked && this.u.hasPendingFollowRequestFromYou) {
+						this.u = await (this as any).api('following/requests/cancel', {
+							userId: this.u.id
+						});
+					} else if (this.u.isLocked) {
+						this.u = await (this as any).api('following/create', {
+							userId: this.u.id
+						});
+					} else {
+						this.u = await (this as any).api('following/create', {
+							userId: this.user.id
+						});
+					}
+				}
+			} catch (e) {
+				console.error(e);
+			} finally {
+				this.wait = false;
 			}
 		}
 	}
@@ -90,34 +99,38 @@ export default Vue.extend({
 	cursor pointer
 	padding 0 16px
 	margin 0
-	height inherit
-	font-size 16px
+	min-width 150px
+	line-height 36px
+	font-size 14px
+	color $theme-color
+	background transparent
 	outline none
 	border solid 1px $theme-color
-	border-radius 4px
+	border-radius 36px
 
-	*
-		pointer-events none
+	&:hover
+		background rgba($theme-color, 0.1)
 
-	&.follow
-		color $theme-color
-		background transparent
+	&:active
+		background rgba($theme-color, 0.2)
 
-		&:hover
-			background rgba($theme-color, 0.1)
-
-		&:active
-			background rgba($theme-color, 0.2)
-
-	&.unfollow
+	&.active
 		color $theme-color-foreground
 		background $theme-color
 
+		&:hover
+			background lighten($theme-color, 10%)
+			border-color lighten($theme-color, 10%)
+
+		&:active
+			background darken($theme-color, 10%)
+			border-color darken($theme-color, 10%)
+
 	&.wait
 		cursor wait !important
 		opacity 0.7
 
-	> [data-fa]
-		margin-right 4px
+	*
+		pointer-events none
 
 </style>
diff --git a/src/client/app/mobile/views/components/notification-preview.vue b/src/client/app/mobile/views/components/notification-preview.vue
index d39b2fbf9f..5e2306932b 100644
--- a/src/client/app/mobile/views/components/notification-preview.vue
+++ b/src/client/app/mobile/views/components/notification-preview.vue
@@ -1,7 +1,7 @@
 <template>
 <div class="mk-notification-preview" :class="notification.type">
 	<template v-if="notification.type == 'reaction'">
-		<img class="avatar" :src="`${notification.user.avatarUrl}?thumbnail&size=64`" alt="avatar"/>
+		<mk-avatar class="avatar" :user="notification.user"/>
 		<div class="text">
 			<p><mk-reaction-icon :reaction="notification.reaction"/>{{ notification.user | userName }}</p>
 			<p class="note-ref">%fa:quote-left%{{ getNoteSummary(notification.note) }}%fa:quote-right%</p>
@@ -9,7 +9,7 @@
 	</template>
 
 	<template v-if="notification.type == 'renote'">
-		<img class="avatar" :src="`${notification.note.user.avatarUrl}?thumbnail&size=64`" alt="avatar"/>
+		<mk-avatar class="avatar" :user="notification.note.user"/>
 		<div class="text">
 			<p>%fa:retweet%{{ notification.note.user | userName }}</p>
 			<p class="note-ref">%fa:quote-left%{{ getNoteSummary(notification.note.renote) }}%fa:quote-right%</p>
@@ -17,7 +17,7 @@
 	</template>
 
 	<template v-if="notification.type == 'quote'">
-		<img class="avatar" :src="`${notification.note.user.avatarUrl}?thumbnail&size=64`" alt="avatar"/>
+		<mk-avatar class="avatar" :user="notification.note.user"/>
 		<div class="text">
 			<p>%fa:quote-left%{{ notification.note.user | userName }}</p>
 			<p class="note-preview">{{ getNoteSummary(notification.note) }}</p>
@@ -25,14 +25,21 @@
 	</template>
 
 	<template v-if="notification.type == 'follow'">
-		<img class="avatar" :src="`${notification.user.avatarUrl}?thumbnail&size=64`" alt="avatar"/>
+		<mk-avatar class="avatar" :user="notification.user"/>
 		<div class="text">
 			<p>%fa:user-plus%{{ notification.user | userName }}</p>
 		</div>
 	</template>
 
+	<template v-if="notification.type == 'receiveFollowRequest'">
+		<mk-avatar class="avatar" :user="notification.user"/>
+		<div class="text">
+			<p>%fa:user-clock%{{ notification.user | userName }}</p>
+		</div>
+	</template>
+
 	<template v-if="notification.type == 'reply'">
-		<img class="avatar" :src="`${notification.note.user.avatarUrl}?thumbnail&size=64`" alt="avatar"/>
+		<mk-avatar class="avatar" :user="notification.note.user"/>
 		<div class="text">
 			<p>%fa:reply%{{ notification.note.user | userName }}</p>
 			<p class="note-preview">{{ getNoteSummary(notification.note) }}</p>
@@ -40,7 +47,7 @@
 	</template>
 
 	<template v-if="notification.type == 'mention'">
-		<img class="avatar" :src="`${notification.note.user.avatarUrl}?thumbnail&size=64`" alt="avatar"/>
+		<mk-avatar class="avatar" :user="notification.note.user"/>
 		<div class="text">
 			<p>%fa:at%{{ notification.note.user | userName }}</p>
 			<p class="note-preview">{{ getNoteSummary(notification.note) }}</p>
@@ -48,7 +55,7 @@
 	</template>
 
 	<template v-if="notification.type == 'poll_vote'">
-		<img class="avatar" :src="`${notification.user.avatarUrl}?thumbnail&size=64`" alt="avatar"/>
+		<mk-avatar class="avatar" :user="notification.user"/>
 		<div class="text">
 			<p>%fa:chart-pie%{{ notification.user | userName }}</p>
 			<p class="note-ref">%fa:quote-left%{{ getNoteSummary(notification.note) }}%fa:quote-right%</p>
@@ -83,16 +90,14 @@ export default Vue.extend({
 		display block
 		clear both
 
-	img
+	> .avatar
 		display block
 		float left
-		min-width 36px
-		min-height 36px
-		max-width 36px
-		max-height 36px
+		width 36px
+		height 36px
 		border-radius 6px
 
-	.text
+	> .text
 		float right
 		width calc(100% - 36px)
 		padding-left 8px
@@ -120,6 +125,10 @@ export default Vue.extend({
 		.text p i
 			color #53c7ce
 
+	&.receiveFollowRequest
+		.text p i
+			color #888
+
 	&.reply, &.mention
 		.text p i
 			color #fff
diff --git a/src/client/app/mobile/views/components/notification.vue b/src/client/app/mobile/views/components/notification.vue
index c1b37563ce..9228950209 100644
--- a/src/client/app/mobile/views/components/notification.vue
+++ b/src/client/app/mobile/views/components/notification.vue
@@ -40,6 +40,17 @@
 		</div>
 	</div>
 
+	<div class="notification followRequest" v-if="notification.type == 'receiveFollowRequest'">
+		<mk-avatar class="avatar" :user="notification.user"/>
+		<div>
+			<header>
+				%fa:user-clock%
+				<router-link :to="notification.user | userPage">{{ notification.user | userName }}</router-link>
+				<mk-time :time="notification.createdAt"/>
+			</header>
+		</div>
+	</div>
+
 	<div class="notification poll_vote" v-if="notification.type == 'poll_vote'">
 		<mk-avatar class="avatar" :user="notification.user"/>
 		<div>
@@ -156,6 +167,10 @@ root(isDark)
 			> div > header i
 				color #53c7ce
 
+		&.receiveFollowRequest
+			> div > header i
+				color #888
+
 .mk-notification[data-darkmode]
 	root(true)
 
diff --git a/src/client/app/mobile/views/components/ui.nav.vue b/src/client/app/mobile/views/components/ui.nav.vue
index 11a8f7ab97..80f60e4232 100644
--- a/src/client/app/mobile/views/components/ui.nav.vue
+++ b/src/client/app/mobile/views/components/ui.nav.vue
@@ -18,6 +18,7 @@
 					<li><router-link to="/" :data-active="$route.name == 'index'">%fa:home%%i18n:@timeline%%fa:angle-right%</router-link></li>
 					<li><router-link to="/i/notifications" :data-active="$route.name == 'notifications'">%fa:R bell%%i18n:@notifications%<template v-if="hasUnreadNotification">%fa:circle%</template>%fa:angle-right%</router-link></li>
 					<li><router-link to="/i/messaging" :data-active="$route.name == 'messaging'">%fa:R comments%%i18n:@messaging%<template v-if="hasUnreadMessagingMessage">%fa:circle%</template>%fa:angle-right%</router-link></li>
+					<li v-if="$store.getters.isSignedIn && $store.state.i.isLocked"><router-link to="/i/received-follow-requests" :data-active="$route.name == 'received-follow-requests'">%fa:R envelope%%i18n:@follow-requests%<template v-if="$store.getters.isSignedIn && $store.state.i.pendingReceivedFollowRequestsCount">%fa:circle%</template>%fa:angle-right%</router-link></li>
 					<li><router-link to="/othello" :data-active="$route.name == 'othello'">%fa:gamepad%%i18n:@game%<template v-if="hasGameInvitation">%fa:circle%</template>%fa:angle-right%</router-link></li>
 				</ul>
 				<ul>
diff --git a/src/client/app/mobile/views/pages/received-follow-requests.vue b/src/client/app/mobile/views/pages/received-follow-requests.vue
new file mode 100644
index 0000000000..bf26a84ff9
--- /dev/null
+++ b/src/client/app/mobile/views/pages/received-follow-requests.vue
@@ -0,0 +1,78 @@
+<template>
+<mk-ui>
+	<span slot="header">%fa:envelope R%%i18n:@title%</span>
+
+	<main>
+		<div v-for="req in requests">
+			<router-link :key="req.id" :to="req.follower | userPage">{{ req.follower | userName }}</router-link>
+			<span>
+				<a @click="accept(req.follower)">%i18n:@accept%</a>|<a @click="reject(req.follower)">%i18n:@reject%</a>
+			</span>
+		</div>
+	</main>
+</mk-ui>
+</template>
+
+<script lang="ts">
+import Vue from 'vue';
+import Progress from '../../../common/scripts/loading';
+
+export default Vue.extend({
+	data() {
+		return {
+			fetching: true,
+			requests: []
+		};
+	},
+	mounted() {
+		document.title = 'Misskey | %i18n:@title%';
+
+		Progress.start();
+
+		(this as any).api('following/requests/list').then(requests => {
+			this.fetching = false;
+			this.requests = requests;
+
+			Progress.done();
+		});
+	},
+	methods: {
+		accept(user) {
+			(this as any).api('following/requests/accept', { userId: user.id }).then(() => {
+				this.requests = this.requests.filter(r => r.follower.id != user.id);
+			});
+		},
+		reject(user) {
+			(this as any).api('following/requests/reject', { userId: user.id }).then(() => {
+				this.requests = this.requests.filter(r => r.follower.id != user.id);
+			});
+		}
+	}
+});
+</script>
+
+<style lang="stylus" scoped>
+@import '~const.styl'
+
+main
+	width 100%
+	max-width 680px
+	margin 0 auto
+	padding 8px
+
+	@media (min-width 500px)
+		padding 16px
+
+	@media (min-width 600px)
+		padding 32px
+
+	> div
+		display flex
+		padding 16px
+		border solid 1px isDark ? #1c2023 : #eee
+		border-radius 4px
+
+		> span
+			margin 0 0 0 auto
+
+</style>
diff --git a/src/client/app/mobile/views/pages/user.vue b/src/client/app/mobile/views/pages/user.vue
index b3b820650c..3d37015906 100644
--- a/src/client/app/mobile/views/pages/user.vue
+++ b/src/client/app/mobile/views/pages/user.vue
@@ -184,7 +184,6 @@ root(isDark)
 
 				> .mk-follow-button
 					float right
-					height 40px
 
 			> .title
 				margin 8px 0
diff --git a/src/models/follow-request.ts b/src/models/follow-request.ts
new file mode 100644
index 0000000000..eea5d1c535
--- /dev/null
+++ b/src/models/follow-request.ts
@@ -0,0 +1,87 @@
+import * as mongo from 'mongodb';
+import * as deepcopy from 'deepcopy';
+import db from '../db/mongodb';
+import { pack as packUser } from './user';
+
+const FollowRequest = db.get<IFollowRequest>('followRequests');
+FollowRequest.createIndex(['followerId', 'followeeId'], { unique: true });
+export default FollowRequest;
+
+export type IFollowRequest = {
+	_id: mongo.ObjectID;
+	createdAt: Date;
+	followeeId: mongo.ObjectID;
+	followerId: mongo.ObjectID;
+
+	// 非正規化
+	_followee: {
+		host: string;
+		inbox?: string;
+	},
+	_follower: {
+		host: string;
+		inbox?: string;
+	}
+};
+
+/**
+ * FollowRequestを物理削除します
+ */
+export async function deleteFollowRequest(followRequest: string | mongo.ObjectID | IFollowRequest) {
+	let f: IFollowRequest;
+
+	// Populate
+	if (mongo.ObjectID.prototype.isPrototypeOf(followRequest)) {
+		f = await FollowRequest.findOne({
+			_id: followRequest
+		});
+	} else if (typeof followRequest === 'string') {
+		f = await FollowRequest.findOne({
+			_id: new mongo.ObjectID(followRequest)
+		});
+	} else {
+		f = followRequest as IFollowRequest;
+	}
+
+	if (f == null) return;
+
+	// このFollowingを削除
+	await FollowRequest.remove({
+		_id: f._id
+	});
+}
+
+/**
+ * Pack a request for API response
+ */
+export const pack = (
+	request: any,
+	me?: any
+) => new Promise<any>(async (resolve, reject) => {
+	let _request: any;
+
+	// Populate the request if 'request' is ID
+	if (mongo.ObjectID.prototype.isPrototypeOf(request)) {
+		_request = await FollowRequest.findOne({
+			_id: request
+		});
+	} else if (typeof request === 'string') {
+		_request = await FollowRequest.findOne({
+			_id: new mongo.ObjectID(request)
+		});
+	} else {
+		_request = deepcopy(request);
+	}
+
+	// Rename _id to id
+	_request.id = _request._id;
+	delete _request._id;
+
+	// Populate follower
+	_request.follower = await packUser(_request.followerId, me);
+
+	// Populate followee
+	_request.followee = await packUser(_request.followeeId, me);
+
+	resolve(_request);
+});
diff --git a/src/models/notification.ts b/src/models/notification.ts
index c4cf1e4efd..875c6952b5 100644
--- a/src/models/notification.ts
+++ b/src/models/notification.ts
@@ -111,6 +111,7 @@ export const pack = (notification: any) => new Promise<any>(async (resolve, reje
 
 	switch (_notification.type) {
 		case 'follow':
+		case 'receiveFollowRequest':
 			// nope
 			break;
 		case 'mention':
diff --git a/src/models/user.ts b/src/models/user.ts
index 11eafe05ea..0e06512dae 100644
--- a/src/models/user.ts
+++ b/src/models/user.ts
@@ -22,6 +22,7 @@ import FollowedLog, { deleteFollowedLog } from './followed-log';
 import SwSubscription, { deleteSwSubscription } from './sw-subscription';
 import Notification, { deleteNotification } from './notification';
 import UserList, { deleteUserList } from './user-list';
+import FollowRequest, { deleteFollowRequest } from './follow-request';
 
 const User = db.get<IUser>('users');
 
@@ -50,7 +51,22 @@ type IUserBase = {
 	data: any;
 	description: string;
 	pinnedNoteId: mongo.ObjectID;
+
+	/**
+	 * 凍結されているか否か
+	 */
 	isSuspended: boolean;
+
+	/**
+	 * 鍵アカウントか否か
+	 */
+	isLocked: boolean;
+
+	/**
+	 * このアカウントに届いているフォローリクエストの数
+	 */
+	pendingReceivedFollowRequestsCount: number;
+
 	host: string;
 };
 
@@ -240,6 +256,16 @@ export async function deleteUser(user: string | mongo.ObjectID | IUser) {
 		await Following.find({ followeeId: u._id })
 	).map(x => deleteFollowing(x)));
 
+	// このユーザーのFollowRequestをすべて削除
+	await Promise.all((
+		await FollowRequest.find({ followerId: u._id })
+	).map(x => deleteFollowRequest(x)));
+
+	// このユーザーへのFollowRequestをすべて削除
+	await Promise.all((
+		await FollowRequest.find({ followeeId: u._id })
+	).map(x => deleteFollowRequest(x)));
+
 	// このユーザーのFollowingLogをすべて削除
 	await Promise.all((
 		await FollowingLog.find({ userId: u._id })
@@ -395,7 +421,7 @@ export const pack = (
 	}
 
 	if (meId && !meId.equals(_user.id)) {
-		const [following1, following2, mute] = await Promise.all([
+		const [following1, following2, followReq1, followReq2, mute] = await Promise.all([
 			Following.findOne({
 				followerId: meId,
 				followeeId: _user.id
@@ -404,6 +430,14 @@ export const pack = (
 				followerId: _user.id,
 				followeeId: meId
 			}),
+			_user.isLocked ? FollowRequest.findOne({
+				followerId: meId,
+				followeeId: _user.id
+			}) : Promise.resolve(null),
+			FollowRequest.findOne({
+				followerId: _user.id,
+				followeeId: meId
+			}),
 			Mute.findOne({
 				muterId: meId,
 				muteeId: _user.id
@@ -414,6 +448,9 @@ export const pack = (
 		_user.isFollowing = following1 !== null;
 		_user.isStalking = following1 && following1.stalk;
 
+		_user.hasPendingFollowRequestFromYou = followReq1 !== null;
+		_user.hasPendingFollowRequestToYou = followReq2 !== null;
+
 		// Whether the user is followed
 		_user.isFollowed = following2 !== null;
 
diff --git a/src/remote/activitypub/kernel/accept/follow.ts b/src/remote/activitypub/kernel/accept/follow.ts
new file mode 100644
index 0000000000..0f414ba321
--- /dev/null
+++ b/src/remote/activitypub/kernel/accept/follow.ts
@@ -0,0 +1,27 @@
+import * as mongo from 'mongodb';
+import User, { IRemoteUser } from '../../../../models/user';
+import config from '../../../../config';
+import accept from '../../../../services/following/requests/accept';
+import { IFollow } from '../../type';
+
+export default async (actor: IRemoteUser, activity: IFollow): Promise<void> => {
+	const id = typeof activity.object == 'string' ? activity.object : activity.object.id;
+
+	if (!id.startsWith(config.url + '/')) {
+		return null;
+	}
+
+	const follower = await User.findOne({
+		_id: new mongo.ObjectID(id.split('/').pop())
+	});
+
+	if (follower === null) {
+		throw new Error('follower not found');
+	}
+
+	if (follower.host != null) {
+		throw new Error('フォローリクエストしたユーザーはローカルユーザーではありません');
+	}
+
+	await accept(actor, follower);
+};
diff --git a/src/remote/activitypub/kernel/accept/index.ts b/src/remote/activitypub/kernel/accept/index.ts
new file mode 100644
index 0000000000..2f9d646d14
--- /dev/null
+++ b/src/remote/activitypub/kernel/accept/index.ts
@@ -0,0 +1,35 @@
+import * as debug from 'debug';
+
+import Resolver from '../../resolver';
+import { IRemoteUser } from '../../../../models/user';
+import acceptFollow from './follow';
+import { IAccept } from '../../type';
+
+const log = debug('misskey:activitypub');
+
+export default async (actor: IRemoteUser, activity: IAccept): Promise<void> => {
+	const uri = activity.id || activity;
+
+	log(`Accept: ${uri}`);
+
+	const resolver = new Resolver();
+
+	let object;
+
+	try {
+		object = await resolver.resolve(activity.object);
+	} catch (e) {
+		log(`Resolution failed: ${e}`);
+		throw e;
+	}
+
+	switch (object.type) {
+	case 'Follow':
+		acceptFollow(actor, object);
+		break;
+
+	default:
+		console.warn(`Unknown accept type: ${object.type}`);
+		break;
+	}
+};
diff --git a/src/remote/activitypub/kernel/follow.ts b/src/remote/activitypub/kernel/follow.ts
index 7e31eb32ea..464f8582b7 100644
--- a/src/remote/activitypub/kernel/follow.ts
+++ b/src/remote/activitypub/kernel/follow.ts
@@ -23,5 +23,5 @@ export default async (actor: IRemoteUser, activity: IFollow): Promise<void> => {
 		throw new Error('フォローしようとしているユーザーはローカルユーザーではありません');
 	}
 
-	await follow(actor, followee, activity);
+	await follow(actor, followee);
 };
diff --git a/src/remote/activitypub/kernel/index.ts b/src/remote/activitypub/kernel/index.ts
index 15ea9494ae..752a9bd2e2 100644
--- a/src/remote/activitypub/kernel/index.ts
+++ b/src/remote/activitypub/kernel/index.ts
@@ -6,6 +6,8 @@ import follow from './follow';
 import undo from './undo';
 import like from './like';
 import announce from './announce';
+import accept from './accept';
+import reject from './reject';
 
 const self = async (actor: IRemoteUser, activity: Object): Promise<void> => {
 	switch (activity.type) {
@@ -22,7 +24,11 @@ const self = async (actor: IRemoteUser, activity: Object): Promise<void> => {
 		break;
 
 	case 'Accept':
-		// noop
+		await accept(actor, activity);
+		break;
+
+	case 'Reject':
+		await reject(actor, activity);
 		break;
 
 	case 'Announce':
diff --git a/src/remote/activitypub/kernel/reject/follow.ts b/src/remote/activitypub/kernel/reject/follow.ts
new file mode 100644
index 0000000000..c139865d0e
--- /dev/null
+++ b/src/remote/activitypub/kernel/reject/follow.ts
@@ -0,0 +1,27 @@
+import * as mongo from 'mongodb';
+import User, { IRemoteUser } from '../../../../models/user';
+import config from '../../../../config';
+import reject from '../../../../services/following/requests/reject';
+import { IFollow } from '../../type';
+
+export default async (actor: IRemoteUser, activity: IFollow): Promise<void> => {
+	const id = typeof activity.object == 'string' ? activity.object : activity.object.id;
+
+	if (!id.startsWith(config.url + '/')) {
+		return null;
+	}
+
+	const follower = await User.findOne({
+		_id: new mongo.ObjectID(id.split('/').pop())
+	});
+
+	if (follower === null) {
+		throw new Error('follower not found');
+	}
+
+	if (follower.host != null) {
+		throw new Error('フォローリクエストしたユーザーはローカルユーザーではありません');
+	}
+
+	await reject(actor, follower);
+};
diff --git a/src/remote/activitypub/kernel/reject/index.ts b/src/remote/activitypub/kernel/reject/index.ts
new file mode 100644
index 0000000000..a82c3fd61e
--- /dev/null
+++ b/src/remote/activitypub/kernel/reject/index.ts
@@ -0,0 +1,35 @@
+import * as debug from 'debug';
+
+import Resolver from '../../resolver';
+import { IRemoteUser } from '../../../../models/user';
+import rejectFollow from './follow';
+import { IReject } from '../../type';
+
+const log = debug('misskey:activitypub');
+
+export default async (actor: IRemoteUser, activity: IReject): Promise<void> => {
+	const uri = activity.id || activity;
+
+	log(`Reject: ${uri}`);
+
+	const resolver = new Resolver();
+
+	let object;
+
+	try {
+		object = await resolver.resolve(activity.object);
+	} catch (e) {
+		log(`Resolution failed: ${e}`);
+		throw e;
+	}
+
+	switch (object.type) {
+	case 'Follow':
+		rejectFollow(actor, object);
+		break;
+
+	default:
+		console.warn(`Unknown reject type: ${object.type}`);
+		break;
+	}
+};
diff --git a/src/remote/activitypub/kernel/undo/follow.ts b/src/remote/activitypub/kernel/undo/follow.ts
index c0b10c1898..7377984616 100644
--- a/src/remote/activitypub/kernel/undo/follow.ts
+++ b/src/remote/activitypub/kernel/undo/follow.ts
@@ -2,7 +2,9 @@ import * as mongo from 'mongodb';
 import User, { IRemoteUser } from '../../../../models/user';
 import config from '../../../../config';
 import unfollow from '../../../../services/following/delete';
+import cancelRequest from '../../../../services/following/requests/cancel';
 import { IFollow } from '../../type';
+import FollowRequest from '../../../../models/follow-request';
 
 export default async (actor: IRemoteUser, activity: IFollow): Promise<void> => {
 	const id = typeof activity.object == 'string' ? activity.object : activity.object.id;
@@ -23,5 +25,14 @@ export default async (actor: IRemoteUser, activity: IFollow): Promise<void> => {
 		throw new Error('フォロー解除しようとしているユーザーはローカルユーザーではありません');
 	}
 
-	await unfollow(actor, followee, activity);
+	const req = await FollowRequest.findOne({
+		followerId: actor._id,
+		followeeId: followee._id
+	});
+
+	if (req) {
+		await cancelRequest(actor, followee);
+	} else {
+		await unfollow(actor, followee);
+	}
 };
diff --git a/src/remote/activitypub/models/person.ts b/src/remote/activitypub/models/person.ts
index 33280f3d89..b720c445c6 100644
--- a/src/remote/activitypub/models/person.ts
+++ b/src/remote/activitypub/models/person.ts
@@ -93,6 +93,7 @@ export async function createPerson(value: any, resolver?: Resolver): Promise<IUs
 			notesCount,
 			name: person.name,
 			driveCapacity: 1024 * 1024 * 8, // 8MiB
+			isLocked: person.manuallyApprovesFollowers,
 			username: person.preferredUsername,
 			usernameLower: person.preferredUsername.toLowerCase(),
 			host,
diff --git a/src/remote/activitypub/renderer/follow.ts b/src/remote/activitypub/renderer/follow.ts
index bf8eeff06b..522422bcff 100644
--- a/src/remote/activitypub/renderer/follow.ts
+++ b/src/remote/activitypub/renderer/follow.ts
@@ -1,8 +1,8 @@
 import config from '../../../config';
-import { IRemoteUser, ILocalUser } from '../../../models/user';
+import { IUser, isLocalUser } from '../../../models/user';
 
-export default (follower: ILocalUser, followee: IRemoteUser) => ({
+export default (follower: IUser, followee: IUser) => ({
 	type: 'Follow',
-	actor: `${config.url}/users/${follower._id}`,
-	object: followee.uri
+	actor: isLocalUser(follower) ? `${config.url}/users/${follower._id}` : follower.uri,
+	object: isLocalUser(followee) ? `${config.url}/users/${followee._id}` : followee.uri
 });
diff --git a/src/remote/activitypub/renderer/person.ts b/src/remote/activitypub/renderer/person.ts
index 424305f8d3..b2ac885f46 100644
--- a/src/remote/activitypub/renderer/person.ts
+++ b/src/remote/activitypub/renderer/person.ts
@@ -1,8 +1,9 @@
 import renderImage from './image';
 import renderKey from './key';
 import config from '../../../config';
+import { ILocalUser } from '../../../models/user';
 
-export default user => {
+export default (user: ILocalUser) => {
 	const id = `${config.url}/users/${user._id}`;
 
 	return {
@@ -17,6 +18,7 @@ export default user => {
 		summary: user.description,
 		icon: user.avatarId && renderImage({ _id: user.avatarId }),
 		image: user.bannerId && renderImage({ _id: user.bannerId }),
+		manuallyApprovesFollowers: user.isLocked,
 		publicKey: renderKey(user)
 	};
 };
diff --git a/src/remote/activitypub/renderer/reject.ts b/src/remote/activitypub/renderer/reject.ts
new file mode 100644
index 0000000000..29c998a6b4
--- /dev/null
+++ b/src/remote/activitypub/renderer/reject.ts
@@ -0,0 +1,4 @@
+export default object => ({
+	type: 'Reject',
+	object
+});
diff --git a/src/remote/activitypub/type.ts b/src/remote/activitypub/type.ts
index ca38ec2227..13e1969b4e 100644
--- a/src/remote/activitypub/type.ts
+++ b/src/remote/activitypub/type.ts
@@ -45,6 +45,7 @@ export interface IPerson extends IObject {
 	type: 'Person';
 	name: string;
 	preferredUsername: string;
+	manuallyApprovesFollowers: boolean;
 	inbox: string;
 	publicKey: any;
 	followers: any;
@@ -82,6 +83,10 @@ export interface IAccept extends IActivity {
 	type: 'Accept';
 }
 
+export interface IReject extends IActivity {
+	type: 'Reject';
+}
+
 export interface ILike extends IActivity {
 	type: 'Like';
 	_misskey_reaction: string;
@@ -99,5 +104,6 @@ export type Object =
 	IUndo |
 	IFollow |
 	IAccept |
+	IReject |
 	ILike |
 	IAnnounce;
diff --git a/src/server/activitypub.ts b/src/server/activitypub.ts
index 3c07a3e2f2..c846e28c07 100644
--- a/src/server/activitypub.ts
+++ b/src/server/activitypub.ts
@@ -7,7 +7,7 @@ const httpSignature = require('http-signature');
 import { createHttp } from '../queue';
 import pack from '../remote/activitypub/renderer';
 import Note from '../models/note';
-import User, { isLocalUser } from '../models/user';
+import User, { isLocalUser, ILocalUser } from '../models/user';
 import renderNote from '../remote/activitypub/renderer/note';
 import renderKey from '../remote/activitypub/renderer/key';
 import renderPerson from '../remote/activitypub/renderer/person';
@@ -69,7 +69,10 @@ router.get('/notes/:note', async (ctx, next) => {
 router.get('/users/:user/outbox', async ctx => {
 	const userId = new mongo.ObjectID(ctx.params.user);
 
-	const user = await User.findOne({ _id: userId });
+	const user = await User.findOne({
+		_id: userId,
+		host: null
+	});
 
 	if (user === null) {
 		ctx.status = 404;
@@ -91,7 +94,10 @@ router.get('/users/:user/outbox', async ctx => {
 router.get('/users/:user/publickey', async ctx => {
 	const userId = new mongo.ObjectID(ctx.params.user);
 
-	const user = await User.findOne({ _id: userId });
+	const user = await User.findOne({
+		_id: userId,
+		host: null
+	});
 
 	if (user === null) {
 		ctx.status = 404;
@@ -109,14 +115,17 @@ router.get('/users/:user/publickey', async ctx => {
 router.get('/users/:user', async ctx => {
 	const userId = new mongo.ObjectID(ctx.params.user);
 
-	const user = await User.findOne({ _id: userId });
+	const user = await User.findOne({
+		_id: userId,
+		host: null
+	});
 
 	if (user === null) {
 		ctx.status = 404;
 		return;
 	}
 
-	ctx.body = pack(renderPerson(user));
+	ctx.body = pack(renderPerson(user as ILocalUser));
 });
 
 // follow form
diff --git a/src/server/api/endpoints.ts b/src/server/api/endpoints.ts
index 196f3adebc..e9392d236b 100644
--- a/src/server/api/endpoints.ts
+++ b/src/server/api/endpoints.ts
@@ -448,6 +448,26 @@ const endpoints: Endpoint[] = [
 		},
 		kind: 'following-write'
 	},
+	{
+		name: 'following/requests/accept',
+		withCredential: true,
+		kind: 'following-write'
+	},
+	{
+		name: 'following/requests/reject',
+		withCredential: true,
+		kind: 'following-write'
+	},
+	{
+		name: 'following/requests/cancel',
+		withCredential: true,
+		kind: 'following-write'
+	},
+	{
+		name: 'following/requests/list',
+		withCredential: true,
+		kind: 'following-read'
+	},
 	{
 		name: 'following/stalk',
 		withCredential: true,
diff --git a/src/server/api/endpoints/following/create.ts b/src/server/api/endpoints/following/create.ts
index 766a8c03d0..48205232e6 100644
--- a/src/server/api/endpoints/following/create.ts
+++ b/src/server/api/endpoints/following/create.ts
@@ -2,7 +2,7 @@
  * Module dependencies
  */
 import $ from 'cafy'; import ID from '../../../../cafy-id';
-import User from '../../../../models/user';
+import User, { pack } from '../../../../models/user';
 import Following from '../../../../models/following';
 import create from '../../../../services/following/create';
 
@@ -49,5 +49,5 @@ module.exports = (params, user) => new Promise(async (res, rej) => {
 	create(follower, followee);
 
 	// Send response
-	res();
+	res(await pack(followee, user));
 });
diff --git a/src/server/api/endpoints/following/delete.ts b/src/server/api/endpoints/following/delete.ts
index 396b19a6f6..f4030c247a 100644
--- a/src/server/api/endpoints/following/delete.ts
+++ b/src/server/api/endpoints/following/delete.ts
@@ -2,7 +2,7 @@
  * Module dependencies
  */
 import $ from 'cafy'; import ID from '../../../../cafy-id';
-import User from '../../../../models/user';
+import User, { pack } from '../../../../models/user';
 import Following from '../../../../models/following';
 import deleteFollowing from '../../../../services/following/delete';
 
@@ -49,5 +49,5 @@ module.exports = (params, user) => new Promise(async (res, rej) => {
 	deleteFollowing(follower, followee);
 
 	// Send response
-	res();
+	res(await pack(followee, user));
 });
diff --git a/src/server/api/endpoints/following/requests/accept.ts b/src/server/api/endpoints/following/requests/accept.ts
new file mode 100644
index 0000000000..705d3b161a
--- /dev/null
+++ b/src/server/api/endpoints/following/requests/accept.ts
@@ -0,0 +1,26 @@
+import $ from 'cafy'; import ID from '../../../../../cafy-id';
+import acceptFollowRequest from '../../../../../services/following/requests/accept';
+import User from '../../../../../models/user';
+
+/**
+ * Accept a follow request
+ */
+module.exports = (params, user) => new Promise(async (res, rej) => {
+	// Get 'userId' parameter
+	const [followerId, followerIdErr] = $.type(ID).get(params.userId);
+	if (followerIdErr) return rej('invalid userId param');
+
+	// Fetch follower
+	const follower = await User.findOne({
+		_id: followerId
+	});
+
+	if (follower === null) {
+		return rej('follower not found');
+	}
+
+	await acceptFollowRequest(user, follower);
+
+	// Send response
+	res();
+});
diff --git a/src/server/api/endpoints/following/requests/cancel.ts b/src/server/api/endpoints/following/requests/cancel.ts
new file mode 100644
index 0000000000..388a54890b
--- /dev/null
+++ b/src/server/api/endpoints/following/requests/cancel.ts
@@ -0,0 +1,26 @@
+import $ from 'cafy'; import ID from '../../../../../cafy-id';
+import cancelFollowRequest from '../../../../../services/following/requests/cancel';
+import User, { pack } from '../../../../../models/user';
+
+/**
+ * Cancel a follow request
+ */
+module.exports = (params, user) => new Promise(async (res, rej) => {
+	// Get 'userId' parameter
+	const [followeeId, followeeIdErr] = $.type(ID).get(params.userId);
+	if (followeeIdErr) return rej('invalid userId param');
+
+	// Fetch followee
+	const followee = await User.findOne({
+		_id: followeeId
+	});
+
+	if (followee === null) {
+		return rej('followee not found');
+	}
+
+	await cancelFollowRequest(followee, user);
+
+	// Send response
+	res(await pack(followee._id, user));
+});
diff --git a/src/server/api/endpoints/following/requests/list.ts b/src/server/api/endpoints/following/requests/list.ts
new file mode 100644
index 0000000000..e8364335d1
--- /dev/null
+++ b/src/server/api/endpoints/following/requests/list.ts
@@ -0,0 +1,14 @@
+//import $ from 'cafy'; import ID from '../../../../../cafy-id';
+import FollowRequest, { pack } from '../../../../../models/follow-request';
+
+/**
+ * Get all pending received follow requests
+ */
+module.exports = (params, user) => new Promise(async (res, rej) => {
+	const reqs = await FollowRequest.find({
+		followeeId: user._id
+	});
+
+	// Send response
+	res(await Promise.all(reqs.map(req => pack(req))));
+});
diff --git a/src/server/api/endpoints/following/requests/reject.ts b/src/server/api/endpoints/following/requests/reject.ts
new file mode 100644
index 0000000000..1cfb562b55
--- /dev/null
+++ b/src/server/api/endpoints/following/requests/reject.ts
@@ -0,0 +1,26 @@
+import $ from 'cafy'; import ID from '../../../../../cafy-id';
+import rejectFollowRequest from '../../../../../services/following/requests/reject';
+import User from '../../../../../models/user';
+
+/**
+ * Reject a follow request
+ */
+module.exports = (params, user) => new Promise(async (res, rej) => {
+	// Get 'userId' parameter
+	const [followerId, followerIdErr] = $.type(ID).get(params.userId);
+	if (followerIdErr) return rej('invalid userId param');
+
+	// Fetch follower
+	const follower = await User.findOne({
+		_id: followerId
+	});
+
+	if (follower === null) {
+		return rej('follower not found');
+	}
+
+	await rejectFollowRequest(user, follower);
+
+	// Send response
+	res();
+});
diff --git a/src/server/api/endpoints/i/update.ts b/src/server/api/endpoints/i/update.ts
index 6e0c5b8515..b94f073d2c 100644
--- a/src/server/api/endpoints/i/update.ts
+++ b/src/server/api/endpoints/i/update.ts
@@ -5,6 +5,7 @@ import $ from 'cafy'; import ID from '../../../../cafy-id';
 import User, { isValidName, isValidDescription, isValidLocation, isValidBirthday, pack } from '../../../../models/user';
 import event from '../../../../publishers/stream';
 import DriveFile from '../../../../models/drive-file';
+import acceptAllFollowRequests from '../../../../services/following/requests/accept-all';
 
 /**
  * Update myself
@@ -12,50 +13,57 @@ import DriveFile from '../../../../models/drive-file';
 module.exports = async (params, user, app) => new Promise(async (res, rej) => {
 	const isSecure = user != null && app == null;
 
+	const updates = {} as any;
+
 	// Get 'name' parameter
 	const [name, nameErr] = $.str.optional().nullable().pipe(isValidName).get(params.name);
 	if (nameErr) return rej('invalid name param');
-	if (name) user.name = name;
+	if (name) updates.name = name;
 
 	// Get 'description' parameter
 	const [description, descriptionErr] = $.str.optional().nullable().pipe(isValidDescription).get(params.description);
 	if (descriptionErr) return rej('invalid description param');
-	if (description !== undefined) user.description = description;
+	if (description !== undefined) updates.description = description;
 
 	// Get 'location' parameter
 	const [location, locationErr] = $.str.optional().nullable().pipe(isValidLocation).get(params.location);
 	if (locationErr) return rej('invalid location param');
-	if (location !== undefined) user.profile.location = location;
+	if (location !== undefined) updates['profile.location'] = location;
 
 	// Get 'birthday' parameter
 	const [birthday, birthdayErr] = $.str.optional().nullable().pipe(isValidBirthday).get(params.birthday);
 	if (birthdayErr) return rej('invalid birthday param');
-	if (birthday !== undefined) user.profile.birthday = birthday;
+	if (birthday !== undefined) updates['profile.birthday'] = birthday;
 
 	// Get 'avatarId' parameter
-	const [avatarId, avatarIdErr] = $.type(ID).optional().get(params.avatarId);
+	const [avatarId, avatarIdErr] = $.type(ID).optional().nullable().get(params.avatarId);
 	if (avatarIdErr) return rej('invalid avatarId param');
-	if (avatarId) user.avatarId = avatarId;
+	if (avatarId !== undefined) updates.avatarId = avatarId;
 
 	// Get 'bannerId' parameter
-	const [bannerId, bannerIdErr] = $.type(ID).optional().get(params.bannerId);
+	const [bannerId, bannerIdErr] = $.type(ID).optional().nullable().get(params.bannerId);
 	if (bannerIdErr) return rej('invalid bannerId param');
-	if (bannerId) user.bannerId = bannerId;
+	if (bannerId !== undefined) updates.bannerId = bannerId;
+
+	// Get 'isLocked' parameter
+	const [isLocked, isLockedErr] = $.bool.optional().get(params.isLocked);
+	if (isLockedErr) return rej('invalid isLocked param');
+	if (isLocked != null) updates.isLocked = isLocked;
 
 	// Get 'isBot' parameter
 	const [isBot, isBotErr] = $.bool.optional().get(params.isBot);
 	if (isBotErr) return rej('invalid isBot param');
-	if (isBot != null) user.isBot = isBot;
+	if (isBot != null) updates.isBot = isBot;
 
 	// Get 'isCat' parameter
 	const [isCat, isCatErr] = $.bool.optional().get(params.isCat);
 	if (isCatErr) return rej('invalid isCat param');
-	if (isCat != null) user.isCat = isCat;
+	if (isCat != null) updates.isCat = isCat;
 
 	// Get 'autoWatch' parameter
 	const [autoWatch, autoWatchErr] = $.bool.optional().get(params.autoWatch);
 	if (autoWatchErr) return rej('invalid autoWatch param');
-	if (autoWatch != null) user.settings.autoWatch = autoWatch;
+	if (autoWatch != null) updates['settings.autoWatch'] = autoWatch;
 
 	if (avatarId) {
 		const avatar = await DriveFile.findOne({
@@ -63,7 +71,7 @@ module.exports = async (params, user, app) => new Promise(async (res, rej) => {
 		});
 
 		if (avatar != null && avatar.metadata.properties.avgColor) {
-			user.avatarColor = avatar.metadata.properties.avgColor;
+			updates.avatarColor = avatar.metadata.properties.avgColor;
 		}
 	}
 
@@ -73,27 +81,16 @@ module.exports = async (params, user, app) => new Promise(async (res, rej) => {
 		});
 
 		if (banner != null && banner.metadata.properties.avgColor) {
-			user.bannerColor = banner.metadata.properties.avgColor;
+			updates.bannerColor = banner.metadata.properties.avgColor;
 		}
 	}
 
 	await User.update(user._id, {
-		$set: {
-			name: user.name,
-			description: user.description,
-			avatarId: user.avatarId,
-			avatarColor: user.avatarColor,
-			bannerId: user.bannerId,
-			bannerColor: user.bannerColor,
-			profile: user.profile,
-			isBot: user.isBot,
-			isCat: user.isCat,
-			settings: user.settings
-		}
+		$set: updates
 	});
 
 	// Serialize
-	const iObj = await pack(user, user, {
+	const iObj = await pack(user._id, user, {
 		detail: true,
 		includeSecrets: isSecure
 	});
@@ -101,6 +98,11 @@ module.exports = async (params, user, app) => new Promise(async (res, rej) => {
 	// Send response
 	res(iObj);
 
-	// Publish i updated event
-	event(user._id, 'i_updated', iObj);
+	// Publish meUpdated event
+	event(user._id, 'meUpdated', iObj);
+
+	// 鍵垢を解除したとき、溜まっていたフォローリクエストがあるならすべて承認
+	if (user.isLocked && isLocked === false) {
+		acceptAllFollowRequests(user);
+	}
 });
diff --git a/src/server/api/endpoints/users/recommendation.ts b/src/server/api/endpoints/users/recommendation.ts
index 620ae17ca2..23821a552f 100644
--- a/src/server/api/endpoints/users/recommendation.ts
+++ b/src/server/api/endpoints/users/recommendation.ts
@@ -36,6 +36,7 @@ module.exports = (params, me) => new Promise(async (res, rej) => {
 			_id: {
 				$nin: followingIds.concat(mutedUserIds)
 			},
+			isLocked: false,
 			$or: [{
 				lastUsedAt: {
 					$gte: new Date(Date.now() - ms('7days'))
diff --git a/src/server/api/service/twitter.ts b/src/server/api/service/twitter.ts
index 284ae7ee22..8c35509cce 100644
--- a/src/server/api/service/twitter.ts
+++ b/src/server/api/service/twitter.ts
@@ -49,7 +49,7 @@ router.get('/disconnect/twitter', async ctx => {
 	ctx.body = `Twitterの連携を解除しました :v:`;
 
 	// Publish i updated event
-	event(user._id, 'i_updated', await pack(user, user, {
+	event(user._id, 'meUpdated', await pack(user, user, {
 		detail: true,
 		includeSecrets: true
 	}));
@@ -174,7 +174,7 @@ if (config.twitter == null) {
 			ctx.body = `Twitter: @${result.screenName} を、Misskey: @${user.username} に接続しました！`;
 
 			// Publish i updated event
-			event(user._id, 'i_updated', await pack(user, user, {
+			event(user._id, 'meUpdated', await pack(user, user, {
 				detail: true,
 				includeSecrets: true
 			}));
diff --git a/src/services/following/create.ts b/src/services/following/create.ts
index 3424c55dae..03db72c332 100644
--- a/src/services/following/create.ts
+++ b/src/services/following/create.ts
@@ -8,72 +8,76 @@ import pack from '../../remote/activitypub/renderer';
 import renderFollow from '../../remote/activitypub/renderer/follow';
 import renderAccept from '../../remote/activitypub/renderer/accept';
 import { deliver } from '../../queue';
+import createFollowRequest from './requests/create';
 
-export default async function(follower: IUser, followee: IUser, activity?) {
-	const following = await Following.insert({
-		createdAt: new Date(),
-		followerId: follower._id,
-		followeeId: followee._id,
-		stalk: true,
+export default async function(follower: IUser, followee: IUser) {
+	if (followee.isLocked) {
+		await createFollowRequest(follower, followee);
+	} else {
+		const following = await Following.insert({
+			createdAt: new Date(),
+			followerId: follower._id,
+			followeeId: followee._id,
 
-		// 非正規化
-		_follower: {
-			host: follower.host,
-			inbox: isRemoteUser(follower) ? follower.inbox : undefined
-		},
-		_followee: {
-			host: followee.host,
-			inbox: isRemoteUser(followee) ? followee.inbox : undefined
+			// 非正規化
+			_follower: {
+				host: follower.host,
+				inbox: isRemoteUser(follower) ? follower.inbox : undefined
+			},
+			_followee: {
+				host: followee.host,
+				inbox: isRemoteUser(followee) ? followee.inbox : undefined
+			}
+		});
+
+		//#region Increment following count
+		User.update({ _id: follower._id }, {
+			$inc: {
+				followingCount: 1
+			}
+		});
+
+		FollowingLog.insert({
+			createdAt: following.createdAt,
+			userId: follower._id,
+			count: follower.followingCount + 1
+		});
+		//#endregion
+
+		//#region Increment followers count
+		User.update({ _id: followee._id }, {
+			$inc: {
+				followersCount: 1
+			}
+		});
+		FollowedLog.insert({
+			createdAt: following.createdAt,
+			userId: followee._id,
+			count: followee.followersCount + 1
+		});
+		//#endregion
+
+		// Publish follow event
+		if (isLocalUser(follower)) {
+			packUser(followee, follower).then(packed => event(follower._id, 'follow', packed));
 		}
-	});
 
-	//#region Increment following count
-	User.update({ _id: follower._id }, {
-		$inc: {
-			followingCount: 1
+		// Publish followed event
+		if (isLocalUser(followee)) {
+			packUser(follower, followee).then(packed => event(followee._id, 'followed', packed)),
+
+			// 通知を作成
+			notify(followee._id, follower._id, 'follow');
 		}
-	});
 
-	FollowingLog.insert({
-		createdAt: following.createdAt,
-		userId: follower._id,
-		count: follower.followingCount + 1
-	});
-	//#endregion
-
-	//#region Increment followers count
-	User.update({ _id: followee._id }, {
-		$inc: {
-			followersCount: 1
+		if (isLocalUser(follower) && isRemoteUser(followee)) {
+			const content = pack(renderFollow(follower, followee));
+			deliver(follower, content, followee.inbox);
 		}
-	});
-	FollowedLog.insert({
-		createdAt: following.createdAt,
-		userId: followee._id,
-		count: followee.followersCount + 1
-	});
-	//#endregion
 
-	// Publish follow event
-	if (isLocalUser(follower)) {
-		packUser(followee, follower).then(packed => event(follower._id, 'follow', packed));
-	}
-
-	// Publish followed event
-	if (isLocalUser(followee)) {
-		packUser(follower, followee).then(packed => event(followee._id, 'followed', packed)),
-
-		// 通知を作成
-		notify(followee._id, follower._id, 'follow');
-	}
-
-	if (isLocalUser(follower) && isRemoteUser(followee)) {
-		const content = pack(renderFollow(follower, followee));
-		deliver(follower, content, followee.inbox);
-	}
-
-	if (isRemoteUser(follower) && isLocalUser(followee)) {
-		const content = pack(renderAccept(activity));
-		deliver(followee, content, follower.inbox);
+		if (isRemoteUser(follower) && isLocalUser(followee)) {
+			const content = pack(renderAccept(renderFollow(follower, followee)));
+			deliver(followee, content, follower.inbox);
+		}
 	}
 }
diff --git a/src/services/following/delete.ts b/src/services/following/delete.ts
index c0c99fbed5..4fc5d42476 100644
--- a/src/services/following/delete.ts
+++ b/src/services/following/delete.ts
@@ -8,7 +8,7 @@ import renderFollow from '../../remote/activitypub/renderer/follow';
 import renderUndo from '../../remote/activitypub/renderer/undo';
 import { deliver } from '../../queue';
 
-export default async function(follower: IUser, followee: IUser, activity?) {
+export default async function(follower: IUser, followee: IUser) {
 	const following = await Following.findOne({
 		followerId: follower._id,
 		followeeId: followee._id
diff --git a/src/services/following/requests/accept-all.ts b/src/services/following/requests/accept-all.ts
new file mode 100644
index 0000000000..9708d9e658
--- /dev/null
+++ b/src/services/following/requests/accept-all.ts
@@ -0,0 +1,24 @@
+import User, { IUser } from "../../../models/user";
+import FollowRequest from "../../../models/follow-request";
+import accept from './accept';
+
+/**
+ * 指定したユーザー宛てのフォローリクエストをすべて承認
+ * @param user ユーザー
+ */
+export default async function(user: IUser) {
+	const requests = await FollowRequest.find({
+		followeeId: user._id
+	});
+
+	requests.forEach(async request => {
+		const follower = await User.findOne({ _id: request.followerId });
+		accept(user, follower);
+	});
+
+	User.update({ _id: user._id }, {
+		$set: {
+			pendingReceivedFollowRequestsCount: 0
+		}
+	});
+}
diff --git a/src/services/following/requests/accept.ts b/src/services/following/requests/accept.ts
new file mode 100644
index 0000000000..1b89cdb981
--- /dev/null
+++ b/src/services/following/requests/accept.ts
@@ -0,0 +1,70 @@
+import User, { IUser, isRemoteUser, ILocalUser, pack as packUser } from "../../../models/user";
+import FollowRequest from "../../../models/follow-request";
+import pack from '../../../remote/activitypub/renderer';
+import renderFollow from '../../../remote/activitypub/renderer/follow';
+import renderAccept from '../../../remote/activitypub/renderer/accept';
+import { deliver } from '../../../queue';
+import Following from "../../../models/following";
+import FollowingLog from "../../../models/following-log";
+import FollowedLog from "../../../models/followed-log";
+import event from '../../../publishers/stream';
+
+export default async function(followee: IUser, follower: IUser) {
+	const following = await Following.insert({
+		createdAt: new Date(),
+		followerId: follower._id,
+		followeeId: followee._id,
+
+		// 非正規化
+		_follower: {
+			host: follower.host,
+			inbox: isRemoteUser(follower) ? follower.inbox : undefined
+		},
+		_followee: {
+			host: followee.host,
+			inbox: isRemoteUser(followee) ? followee.inbox : undefined
+		}
+	});
+
+	if (isRemoteUser(follower)) {
+		const content = pack(renderAccept(renderFollow(follower, followee)));
+		deliver(followee as ILocalUser, content, follower.inbox);
+	}
+
+	await FollowRequest.remove({
+		followeeId: followee._id,
+		followerId: follower._id
+	});
+
+	//#region Increment following count
+	await User.update({ _id: follower._id }, {
+		$inc: {
+			followingCount: 1
+		}
+	});
+
+	FollowingLog.insert({
+		createdAt: following.createdAt,
+		userId: follower._id,
+		count: follower.followingCount + 1
+	});
+	//#endregion
+
+	//#region Increment followers count
+	await User.update({ _id: followee._id }, {
+		$inc: {
+			followersCount: 1
+		}
+	});
+
+	FollowedLog.insert({
+		createdAt: following.createdAt,
+		userId: followee._id,
+		count: followee.followersCount + 1
+	});
+	//#endregion
+
+	packUser(followee, followee, {
+		detail: true
+	}).then(packed => event(followee._id, 'meUpdated', packed));
+}
diff --git a/src/services/following/requests/cancel.ts b/src/services/following/requests/cancel.ts
new file mode 100644
index 0000000000..50c95de0eb
--- /dev/null
+++ b/src/services/following/requests/cancel.ts
@@ -0,0 +1,29 @@
+import User, { IUser, isRemoteUser, ILocalUser, pack as packUser } from "../../../models/user";
+import FollowRequest from "../../../models/follow-request";
+import pack from '../../../remote/activitypub/renderer';
+import renderFollow from '../../../remote/activitypub/renderer/follow';
+import renderUndo from '../../../remote/activitypub/renderer/undo';
+import { deliver } from '../../../queue';
+import event from '../../../publishers/stream';
+
+export default async function(followee: IUser, follower: IUser) {
+	if (isRemoteUser(followee)) {
+		const content = pack(renderUndo(renderFollow(follower, followee)));
+		deliver(follower as ILocalUser, content, followee.inbox);
+	}
+
+	await FollowRequest.remove({
+		followeeId: followee._id,
+		followerId: follower._id
+	});
+
+	await User.update({ _id: followee._id }, {
+		$inc: {
+			pendingReceivedFollowRequestsCount: -1
+		}
+	});
+
+	packUser(followee, followee, {
+		detail: true
+	}).then(packed => event(followee._id, 'meUpdated', packed));
+}
diff --git a/src/services/following/requests/create.ts b/src/services/following/requests/create.ts
new file mode 100644
index 0000000000..fea82b57d8
--- /dev/null
+++ b/src/services/following/requests/create.ts
@@ -0,0 +1,50 @@
+import User, { isLocalUser, isRemoteUser, pack as packUser, IUser } from '../../../models/user';
+import event from '../../../publishers/stream';
+import notify from '../../../publishers/notify';
+import pack from '../../../remote/activitypub/renderer';
+import renderFollow from '../../../remote/activitypub/renderer/follow';
+import { deliver } from '../../../queue';
+import FollowRequest from '../../../models/follow-request';
+
+export default async function(follower: IUser, followee: IUser) {
+	if (!followee.isLocked) throw '対象のアカウントは鍵アカウントではありません';
+
+	await FollowRequest.insert({
+		createdAt: new Date(),
+		followerId: follower._id,
+		followeeId: followee._id,
+
+		// 非正規化
+		_follower: {
+			host: follower.host,
+			inbox: isRemoteUser(follower) ? follower.inbox : undefined
+		},
+		_followee: {
+			host: followee.host,
+			inbox: isRemoteUser(followee) ? followee.inbox : undefined
+		}
+	});
+
+	await User.update({ _id: followee._id }, {
+		$inc: {
+			pendingReceivedFollowRequestsCount: 1
+		}
+	});
+
+	// Publish receiveRequest event
+	if (isLocalUser(followee)) {
+		packUser(follower, followee).then(packed => event(followee._id, 'receiveFollowRequest', packed));
+
+		packUser(followee, followee, {
+			detail: true
+		}).then(packed => event(followee._id, 'meUpdated', packed));
+
+		// 通知を作成
+		notify(followee._id, follower._id, 'receiveFollowRequest');
+	}
+
+	if (isLocalUser(follower) && isRemoteUser(followee)) {
+		const content = pack(renderFollow(follower, followee));
+		deliver(follower, content, followee.inbox);
+	}
+}
diff --git a/src/services/following/requests/reject.ts b/src/services/following/requests/reject.ts
new file mode 100644
index 0000000000..acd419d0ee
--- /dev/null
+++ b/src/services/following/requests/reject.ts
@@ -0,0 +1,24 @@
+import User, { IUser, isRemoteUser, ILocalUser } from "../../../models/user";
+import FollowRequest from "../../../models/follow-request";
+import pack from '../../../remote/activitypub/renderer';
+import renderFollow from '../../../remote/activitypub/renderer/follow';
+import renderReject from '../../../remote/activitypub/renderer/reject';
+import { deliver } from '../../../queue';
+
+export default async function(followee: IUser, follower: IUser) {
+	if (isRemoteUser(follower)) {
+		const content = pack(renderReject(renderFollow(follower, followee)));
+		deliver(followee as ILocalUser, content, follower.inbox);
+	}
+
+	await FollowRequest.remove({
+		followeeId: followee._id,
+		followerId: follower._id
+	});
+
+	User.update({ _id: followee._id }, {
+		$inc: {
+			pendingReceivedFollowRequestsCount: -1
+		}
+	});
+}