diff --git a/src/api/endpoints.ts b/src/api/endpoints.ts
index 45b83fc9e..88c01d4e7 100644
--- a/src/api/endpoints.ts
+++ b/src/api/endpoints.ts
@@ -487,6 +487,9 @@ const endpoints: Endpoint[] = [
 	{
 		name: 'channels/show'
 	},
+	{
+		name: 'channels/posts'
+	},
 ];
 
 export default endpoints;
diff --git a/src/api/endpoints/channels/posts.ts b/src/api/endpoints/channels/posts.ts
new file mode 100644
index 000000000..fa91fb93e
--- /dev/null
+++ b/src/api/endpoints/channels/posts.ts
@@ -0,0 +1,79 @@
+/**
+ * Module dependencies
+ */
+import $ from 'cafy';
+import { default as Channel, IChannel } from '../../models/channel';
+import { default as Post, IPost } from '../../models/post';
+import serialize from '../../serializers/post';
+
+/**
+ * Show a posts of a channel
+ *
+ * @param {any} params
+ * @param {any} user
+ * @return {Promise<any>}
+ */
+module.exports = (params, user) => new Promise(async (res, rej) => {
+	// Get 'limit' parameter
+	const [limit = 1000, limitErr] = $(params.limit).optional.number().range(1, 1000).$;
+	if (limitErr) return rej('invalid limit param');
+
+	// Get 'since_id' parameter
+	const [sinceId, sinceIdErr] = $(params.since_id).optional.id().$;
+	if (sinceIdErr) return rej('invalid since_id param');
+
+	// Get 'max_id' parameter
+	const [maxId, maxIdErr] = $(params.max_id).optional.id().$;
+	if (maxIdErr) return rej('invalid max_id param');
+
+	// Check if both of since_id and max_id is specified
+	if (sinceId && maxId) {
+		return rej('cannot set since_id and max_id');
+	}
+
+	// Get 'channel_id' parameter
+	const [channelId, channelIdErr] = $(params.channel_id).id().$;
+	if (channelIdErr) return rej('invalid channel_id param');
+
+	// Fetch channel
+	const channel: IChannel = await Channel.findOne({
+		_id: channelId
+	});
+
+	if (channel === null) {
+		return rej('channel not found');
+	}
+
+	//#region Construct query
+	const sort = {
+		_id: -1
+	};
+
+	const query = {
+		channel_id: channel._id
+	} as any;
+
+	if (sinceId) {
+		sort._id = 1;
+		query._id = {
+			$gt: sinceId
+		};
+	} else if (maxId) {
+		query._id = {
+			$lt: maxId
+		};
+	}
+	//#endregion Construct query
+
+	// Issue query
+	const posts = await Post
+		.find(query, {
+			limit: limit,
+			sort: sort
+		});
+
+	// Serialize
+	res(await Promise.all(posts.map(async (post) =>
+		await serialize(post, user)
+	)));
+});
diff --git a/src/web/app/common/scripts/channel-stream.js b/src/web/app/common/scripts/channel-stream.js
new file mode 100644
index 000000000..38e7d9113
--- /dev/null
+++ b/src/web/app/common/scripts/channel-stream.js
@@ -0,0 +1,14 @@
+'use strict';
+
+import Stream from './stream';
+
+/**
+ * Channel stream connection
+ */
+class Connection extends Stream {
+	constructor() {
+		super('channel');
+	}
+}
+
+export default Connection;
diff --git a/src/web/app/desktop/tags/pages/channel.tag b/src/web/app/desktop/tags/pages/channel.tag
index 4fa172f99..8a3034f40 100644
--- a/src/web/app/desktop/tags/pages/channel.tag
+++ b/src/web/app/desktop/tags/pages/channel.tag
@@ -2,6 +2,8 @@
 	<mk-ui ref="ui">
 		<main if={ !parent.fetching }>
 			<h1>{ parent.channel.title }</h1>
+			<mk-channel-post each={ parent.posts } post={ this }/>
+			<mk-channel-form channel={ parent.channel }/>
 		</main>
 	</mk-ui>
 	<style>
@@ -14,12 +16,15 @@
 	</style>
 	<script>
 		import Progress from '../../../common/scripts/loading';
+		import ChannelStream from '../../../common/scripts/channel-stream';
 
 		this.mixin('api');
 
 		this.id = this.opts.id;
 		this.fetching = true;
 		this.channel = null;
+		this.posts = null;
+		this.connection = new ChannelStream();
 
 		this.on('mount', () => {
 			document.documentElement.style.background = '#efefef';
@@ -38,6 +43,88 @@
 
 				document.title = channel.title + ' | Misskey'
 			});
+
+			this.api('channels/posts', {
+				channel_id: this.id
+			}).then(posts => {
+				this.update({
+					posts: posts
+				});
+			});
 		});
 	</script>
 </mk-channel-page>
+
+<mk-channel-post>
+	<header>
+		<b>{ post.user.name }</b>
+	</header>
+	<div>
+		{ post.text }
+	</div>
+	<style>
+		:scope
+			display block
+			margin 0
+			padding 0
+
+			> header
+				> b
+					color #008000
+
+	</style>
+	<script>
+		this.post = this.opts.post;
+	</script>
+</mk-channel-post>
+
+<mk-channel-form>
+	<p if={ reply }>{ reply.user.name }への返信: (or <a onclick={ clearReply }>キャンセル</a>)</p>
+	<textarea ref="text" disabled={ wait }></textarea>
+	<button class={ wait: wait } ref="submit" disabled={ wait || (refs.text.value.length == 0) } onclick={ post }>
+		{ wait ? 'やってます' : 'やる' }<mk-ellipsis if={ wait }/>
+	</button>
+
+	<style>
+		:scope
+			display block
+
+	</style>
+	<script>
+		this.mixin('api');
+
+		this.channel = this.opts.channel;
+
+		this.clearReply = () => {
+			this.update({
+				reply: null
+			});
+		};
+
+		this.clear = () => {
+			this.clearReply();
+			this.refs.text.value = '';
+		};
+
+		this.post = e => {
+			this.update({
+				wait: true
+			});
+
+			this.api('posts/create', {
+				text: this.refs.text.value,
+				reply_to_id: this.reply ? this.reply.id : undefined,
+				channel_id: this.channel.id
+			}).then(data => {
+				this.clear();
+			}).catch(err => {
+				alert('失敗した');
+			}).then(() => {
+				this.update({
+					wait: false
+				});
+			});
+		};
+
+	</script>
+</mk-channel-form>
diff --git a/src/web/app/desktop/tags/pages/drive-chooser.tag b/src/web/app/desktop/tags/pages/drive-chooser.tag
new file mode 100644
index 000000000..49741ad40
--- /dev/null
+++ b/src/web/app/desktop/tags/pages/drive-chooser.tag
@@ -0,0 +1,44 @@
+<mk-drive-chooser>
+	<mk-drive-browser ref="browser" multiple={ parent.multiple }/>
+	<div>
+		<button class="upload" title="PCからドライブにファイルをアップロード" onclick={ upload }><i class="fa fa-upload"></i></button>
+		<button class="cancel" onclick={ close }>キャンセル</button>
+		<button class="ok" onclick={ parent.ok }>決定</button>
+	</div>
+
+	<style>
+		:scope
+			display block
+			height 100%
+
+	</style>
+	<script>
+		this.multiple = this.opts.multiple != null ? this.opts.multiple : false;
+
+		this.on('mount', () => {
+			this.refs.browser.on('selected', file => {
+				this.files = [file];
+				this.ok();
+			});
+
+			this.refs.browser.on('change-selection', files => {
+				this.update({
+					files: files
+				});
+			});
+		});
+
+		this.upload = () => {
+			this.refs.browser.selectLocalFile();
+		};
+
+		this.close = () => {
+			window.close();
+		};
+
+		this.ok = () => {
+			window.opener.cb(this.multiple ? this.files : this.files[0]);
+			window.close();
+		};
+	</script>
+</mk-drive-chooser>