diff --git a/packages/backend/native-utils/crates/model/src/entity/access_token.rs b/packages/backend/native-utils/crates/model/src/entity/access_token.rs
index fa9894414f..f84971605f 100644
--- a/packages/backend/native-utils/crates/model/src/entity/access_token.rs
+++ b/packages/backend/native-utils/crates/model/src/entity/access_token.rs
@@ -2,6 +2,8 @@
 
 use sea_orm::entity::prelude::*;
 
+use super::newtype::StringVec;
+
 #[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq)]
 #[sea_orm(table_name = "access_token")]
 pub struct Model {
@@ -22,7 +24,7 @@ pub struct Model {
     pub description: Option<String>,
     #[sea_orm(column_name = "iconUrl")]
     pub icon_url: Option<String>,
-    pub permission: Vec<String>,
+    pub permission: StringVec,
     pub fetched: bool,
 }
 
diff --git a/packages/backend/native-utils/crates/model/src/entity/app.rs b/packages/backend/native-utils/crates/model/src/entity/app.rs
index 5f3d5d1317..3102945689 100644
--- a/packages/backend/native-utils/crates/model/src/entity/app.rs
+++ b/packages/backend/native-utils/crates/model/src/entity/app.rs
@@ -2,6 +2,8 @@
 
 use sea_orm::entity::prelude::*;
 
+use super::newtype::StringVec;
+
 #[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq)]
 #[sea_orm(table_name = "app")]
 pub struct Model {
@@ -14,7 +16,7 @@ pub struct Model {
     pub secret: String,
     pub name: String,
     pub description: String,
-    pub permission: Vec<String>,
+    pub permission: StringVec,
     #[sea_orm(column_name = "callbackUrl")]
     pub callback_url: Option<String>,
 }
diff --git a/packages/backend/native-utils/crates/model/src/entity/emoji.rs b/packages/backend/native-utils/crates/model/src/entity/emoji.rs
index a89f0b22d5..fdb99a2c3f 100644
--- a/packages/backend/native-utils/crates/model/src/entity/emoji.rs
+++ b/packages/backend/native-utils/crates/model/src/entity/emoji.rs
@@ -2,6 +2,8 @@
 
 use sea_orm::entity::prelude::*;
 
+use super::newtype::StringVec;
+
 #[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq)]
 #[sea_orm(table_name = "emoji")]
 pub struct Model {
@@ -15,7 +17,7 @@ pub struct Model {
     pub original_url: String,
     pub uri: Option<String>,
     pub r#type: Option<String>,
-    pub aliases: Vec<String>,
+    pub aliases: StringVec,
     pub category: Option<String>,
     #[sea_orm(column_name = "publicUrl")]
     pub public_url: String,
diff --git a/packages/backend/native-utils/crates/model/src/entity/gallery_post.rs b/packages/backend/native-utils/crates/model/src/entity/gallery_post.rs
index bb68eda62f..875d3af589 100644
--- a/packages/backend/native-utils/crates/model/src/entity/gallery_post.rs
+++ b/packages/backend/native-utils/crates/model/src/entity/gallery_post.rs
@@ -2,6 +2,8 @@
 
 use sea_orm::entity::prelude::*;
 
+use super::newtype::StringVec;
+
 #[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq)]
 #[sea_orm(table_name = "gallery_post")]
 pub struct Model {
@@ -16,12 +18,12 @@ pub struct Model {
     #[sea_orm(column_name = "userId")]
     pub user_id: String,
     #[sea_orm(column_name = "fileIds")]
-    pub file_ids: Vec<String>,
+    pub file_ids: StringVec,
     #[sea_orm(column_name = "isSensitive")]
     pub is_sensitive: bool,
     #[sea_orm(column_name = "likedCount")]
     pub liked_count: i32,
-    pub tags: Vec<String>,
+    pub tags: StringVec,
 }
 
 #[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
diff --git a/packages/backend/native-utils/crates/model/src/entity/hashtag.rs b/packages/backend/native-utils/crates/model/src/entity/hashtag.rs
index 9a6e44623b..917f4ea1b0 100644
--- a/packages/backend/native-utils/crates/model/src/entity/hashtag.rs
+++ b/packages/backend/native-utils/crates/model/src/entity/hashtag.rs
@@ -2,6 +2,8 @@
 
 use sea_orm::entity::prelude::*;
 
+use super::newtype::StringVec;
+
 #[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq)]
 #[sea_orm(table_name = "hashtag")]
 pub struct Model {
@@ -9,27 +11,27 @@ pub struct Model {
     pub id: String,
     pub name: String,
     #[sea_orm(column_name = "mentionedUserIds")]
-    pub mentioned_user_ids: Vec<String>,
+    pub mentioned_user_ids: StringVec,
     #[sea_orm(column_name = "mentionedUsersCount")]
     pub mentioned_users_count: i32,
     #[sea_orm(column_name = "mentionedLocalUserIds")]
-    pub mentioned_local_user_ids: Vec<String>,
+    pub mentioned_local_user_ids: StringVec,
     #[sea_orm(column_name = "mentionedLocalUsersCount")]
     pub mentioned_local_users_count: i32,
     #[sea_orm(column_name = "mentionedRemoteUserIds")]
-    pub mentioned_remote_user_ids: Vec<String>,
+    pub mentioned_remote_user_ids: StringVec,
     #[sea_orm(column_name = "mentionedRemoteUsersCount")]
     pub mentioned_remote_users_count: i32,
     #[sea_orm(column_name = "attachedUserIds")]
-    pub attached_user_ids: Vec<String>,
+    pub attached_user_ids: StringVec,
     #[sea_orm(column_name = "attachedUsersCount")]
     pub attached_users_count: i32,
     #[sea_orm(column_name = "attachedLocalUserIds")]
-    pub attached_local_user_ids: Vec<String>,
+    pub attached_local_user_ids: StringVec,
     #[sea_orm(column_name = "attachedLocalUsersCount")]
     pub attached_local_users_count: i32,
     #[sea_orm(column_name = "attachedRemoteUserIds")]
-    pub attached_remote_user_ids: Vec<String>,
+    pub attached_remote_user_ids: StringVec,
     #[sea_orm(column_name = "attachedRemoteUsersCount")]
     pub attached_remote_users_count: i32,
 }
diff --git a/packages/backend/native-utils/crates/model/src/entity/messaging_message.rs b/packages/backend/native-utils/crates/model/src/entity/messaging_message.rs
index 0fbfc1ffb3..b66c01fc9b 100644
--- a/packages/backend/native-utils/crates/model/src/entity/messaging_message.rs
+++ b/packages/backend/native-utils/crates/model/src/entity/messaging_message.rs
@@ -2,6 +2,8 @@
 
 use sea_orm::entity::prelude::*;
 
+use super::newtype::StringVec;
+
 #[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq)]
 #[sea_orm(table_name = "messaging_message")]
 pub struct Model {
@@ -20,7 +22,7 @@ pub struct Model {
     pub file_id: Option<String>,
     #[sea_orm(column_name = "groupId")]
     pub group_id: Option<String>,
-    pub reads: Vec<String>,
+    pub reads: StringVec,
     pub uri: Option<String>,
 }
 
diff --git a/packages/backend/native-utils/crates/model/src/entity/meta.rs b/packages/backend/native-utils/crates/model/src/entity/meta.rs
index 33ab911baa..a97cb89c4d 100644
--- a/packages/backend/native-utils/crates/model/src/entity/meta.rs
+++ b/packages/backend/native-utils/crates/model/src/entity/meta.rs
@@ -4,6 +4,8 @@ use super::sea_orm_active_enums::MetaSensitivemediadetectionEnum;
 use super::sea_orm_active_enums::MetaSensitivemediadetectionsensitivityEnum;
 use sea_orm::entity::prelude::*;
 
+use super::newtype::StringVec;
+
 #[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq)]
 #[sea_orm(table_name = "meta")]
 pub struct Model {
@@ -23,11 +25,11 @@ pub struct Model {
     pub disable_global_timeline: bool,
     #[sea_orm(column_name = "useStarForReactionFallback")]
     pub use_star_for_reaction_fallback: bool,
-    pub langs: Vec<String>,
+    pub langs: StringVec,
     #[sea_orm(column_name = "hiddenTags")]
-    pub hidden_tags: Vec<String>,
+    pub hidden_tags: StringVec,
     #[sea_orm(column_name = "blockedHosts")]
-    pub blocked_hosts: Vec<String>,
+    pub blocked_hosts: StringVec,
     #[sea_orm(column_name = "mascotImageUrl")]
     pub mascot_image_url: Option<String>,
     #[sea_orm(column_name = "bannerUrl")]
@@ -88,7 +90,7 @@ pub struct Model {
     #[sea_orm(column_name = "discordClientSecret")]
     pub discord_client_secret: Option<String>,
     #[sea_orm(column_name = "pinnedUsers")]
-    pub pinned_users: Vec<String>,
+    pub pinned_users: StringVec,
     #[sea_orm(column_name = "ToSUrl")]
     pub to_s_url: Option<String>,
     #[sea_orm(column_name = "repositoryUrl")]
@@ -128,7 +130,7 @@ pub struct Model {
     #[sea_orm(column_name = "objectStorageSetPublicRead")]
     pub object_storage_set_public_read: bool,
     #[sea_orm(column_name = "pinnedPages")]
-    pub pinned_pages: Vec<String>,
+    pub pinned_pages: StringVec,
     #[sea_orm(column_name = "backgroundImageUrl")]
     pub background_image_url: Option<String>,
     #[sea_orm(column_name = "logoImageUrl")]
@@ -138,7 +140,7 @@ pub struct Model {
     #[sea_orm(column_name = "objectStorageS3ForcePathStyle")]
     pub object_storage_s3_force_path_style: bool,
     #[sea_orm(column_name = "allowedHosts")]
-    pub allowed_hosts: Option<Vec<String>>,
+    pub allowed_hosts: Option<StringVec>,
     #[sea_orm(column_name = "secureMode")]
     pub secure_mode: Option<bool>,
     #[sea_orm(column_name = "privateMode")]
@@ -168,13 +170,13 @@ pub struct Model {
     #[sea_orm(column_name = "enableActiveEmailValidation")]
     pub enable_active_email_validation: bool,
     #[sea_orm(column_name = "customMOTD")]
-    pub custom_motd: Vec<String>,
+    pub custom_motd: StringVec,
     #[sea_orm(column_name = "customSplashIcons")]
-    pub custom_splash_icons: Vec<String>,
+    pub custom_splash_icons: StringVec,
     #[sea_orm(column_name = "disableRecommendedTimeline")]
     pub disable_recommended_timeline: bool,
     #[sea_orm(column_name = "recommendedInstances")]
-    pub recommended_instances: Vec<String>,
+    pub recommended_instances: StringVec,
     #[sea_orm(column_name = "enableGuestTimeline")]
     pub enable_guest_timeline: bool,
     #[sea_orm(column_name = "defaultReaction")]
@@ -184,7 +186,7 @@ pub struct Model {
     #[sea_orm(column_name = "libreTranslateApiKey")]
     pub libre_translate_api_key: Option<String>,
     #[sea_orm(column_name = "silencedHosts")]
-    pub silenced_hosts: Vec<String>,
+    pub silenced_hosts: StringVec,
     #[sea_orm(column_name = "experimentalFeatures", column_type = "JsonBinary")]
     pub experimental_features: Json,
 }
diff --git a/packages/backend/native-utils/crates/model/src/entity/newtype/mod.rs b/packages/backend/native-utils/crates/model/src/entity/newtype/mod.rs
index 65eba72d7c..bd43024416 100644
--- a/packages/backend/native-utils/crates/model/src/entity/newtype/mod.rs
+++ b/packages/backend/native-utils/crates/model/src/entity/newtype/mod.rs
@@ -15,10 +15,16 @@ impl_json_newtype!(JsonKeyword);
 pub struct JsonStringVec(pub Vec<String>);
 impl_json_newtype!(JsonStringVec);
 
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize, From, Into)]
+pub struct JsonI32Vec(pub Vec<i32>);
+impl_json_newtype!(JsonI32Vec);
+
 cfg_if! {
     if #[cfg(feature = "legacy")] {
         pub type StringVec = Vec<String>;
+        pub type I32Vec = Vec<i32>;
     } else {
         pub type StringVec = JsonStringVec;
+        pub type I32Vec = JsonI32Vec;
     }
 }
diff --git a/packages/backend/native-utils/crates/model/src/entity/note.rs b/packages/backend/native-utils/crates/model/src/entity/note.rs
index 2e733edaea..c2f20c11be 100644
--- a/packages/backend/native-utils/crates/model/src/entity/note.rs
+++ b/packages/backend/native-utils/crates/model/src/entity/note.rs
@@ -3,6 +3,8 @@
 use super::sea_orm_active_enums::NoteVisibilityEnum;
 use sea_orm::entity::prelude::*;
 
+use super::newtype::StringVec;
+
 #[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq)]
 #[sea_orm(table_name = "note")]
 pub struct Model {
@@ -32,16 +34,16 @@ pub struct Model {
     pub uri: Option<String>,
     pub score: i32,
     #[sea_orm(column_name = "fileIds")]
-    pub file_ids: Vec<String>,
+    pub file_ids: StringVec,
     #[sea_orm(column_name = "attachedFileTypes")]
-    pub attached_file_types: Vec<String>,
+    pub attached_file_types: StringVec,
     #[sea_orm(column_name = "visibleUserIds")]
-    pub visible_user_ids: Vec<String>,
-    pub mentions: Vec<String>,
+    pub visible_user_ids: StringVec,
+    pub mentions: StringVec,
     #[sea_orm(column_name = "mentionedRemoteUsers", column_type = "Text")]
     pub mentioned_remote_users: String,
-    pub emojis: Vec<String>,
-    pub tags: Vec<String>,
+    pub emojis: StringVec,
+    pub tags: StringVec,
     #[sea_orm(column_name = "hasPoll")]
     pub has_poll: bool,
     #[sea_orm(column_name = "userHost")]
diff --git a/packages/backend/native-utils/crates/model/src/entity/note_edit.rs b/packages/backend/native-utils/crates/model/src/entity/note_edit.rs
index 5e98b3da4c..4e8f420833 100644
--- a/packages/backend/native-utils/crates/model/src/entity/note_edit.rs
+++ b/packages/backend/native-utils/crates/model/src/entity/note_edit.rs
@@ -2,6 +2,8 @@
 
 use sea_orm::entity::prelude::*;
 
+use super::newtype::StringVec;
+
 #[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq)]
 #[sea_orm(table_name = "note_edit")]
 pub struct Model {
@@ -13,7 +15,7 @@ pub struct Model {
     pub text: Option<String>,
     pub cw: Option<String>,
     #[sea_orm(column_name = "fileIds")]
-    pub file_ids: Vec<String>,
+    pub file_ids: StringVec,
     #[sea_orm(column_name = "updatedAt")]
     pub updated_at: DateTimeWithTimeZone,
 }
diff --git a/packages/backend/native-utils/crates/model/src/entity/page.rs b/packages/backend/native-utils/crates/model/src/entity/page.rs
index efb7949447..c3d09fa8c2 100644
--- a/packages/backend/native-utils/crates/model/src/entity/page.rs
+++ b/packages/backend/native-utils/crates/model/src/entity/page.rs
@@ -3,6 +3,8 @@
 use super::sea_orm_active_enums::PageVisibilityEnum;
 use sea_orm::entity::prelude::*;
 
+use super::newtype::StringVec;
+
 #[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq)]
 #[sea_orm(table_name = "page")]
 pub struct Model {
@@ -28,7 +30,7 @@ pub struct Model {
     pub variables: Json,
     pub visibility: PageVisibilityEnum,
     #[sea_orm(column_name = "visibleUserIds")]
-    pub visible_user_ids: Vec<String>,
+    pub visible_user_ids: StringVec,
     #[sea_orm(column_name = "likedCount")]
     pub liked_count: i32,
     #[sea_orm(column_name = "hideTitleWhenPinned")]
diff --git a/packages/backend/native-utils/crates/model/src/entity/poll.rs b/packages/backend/native-utils/crates/model/src/entity/poll.rs
index a4d9e2df10..81953cfbac 100644
--- a/packages/backend/native-utils/crates/model/src/entity/poll.rs
+++ b/packages/backend/native-utils/crates/model/src/entity/poll.rs
@@ -3,6 +3,8 @@
 use super::sea_orm_active_enums::PollNotevisibilityEnum;
 use sea_orm::entity::prelude::*;
 
+use super::newtype::{I32Vec, StringVec};
+
 #[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq)]
 #[sea_orm(table_name = "poll")]
 pub struct Model {
@@ -11,8 +13,8 @@ pub struct Model {
     #[sea_orm(column_name = "expiresAt")]
     pub expires_at: Option<DateTimeWithTimeZone>,
     pub multiple: bool,
-    pub choices: Vec<String>,
-    pub votes: Vec<i32>,
+    pub choices: StringVec,
+    pub votes: I32Vec,
     #[sea_orm(column_name = "noteVisibility")]
     pub note_visibility: PollNotevisibilityEnum,
     #[sea_orm(column_name = "userId")]
diff --git a/packages/backend/native-utils/crates/model/src/entity/registry_item.rs b/packages/backend/native-utils/crates/model/src/entity/registry_item.rs
index 6de0c740f6..54d72d5d89 100644
--- a/packages/backend/native-utils/crates/model/src/entity/registry_item.rs
+++ b/packages/backend/native-utils/crates/model/src/entity/registry_item.rs
@@ -2,6 +2,8 @@
 
 use sea_orm::entity::prelude::*;
 
+use super::newtype::StringVec;
+
 #[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq)]
 #[sea_orm(table_name = "registry_item")]
 pub struct Model {
@@ -14,7 +16,7 @@ pub struct Model {
     #[sea_orm(column_name = "userId")]
     pub user_id: String,
     pub key: String,
-    pub scope: Vec<String>,
+    pub scope: StringVec,
     pub domain: Option<String>,
     #[sea_orm(column_type = "JsonBinary", nullable)]
     pub value: Option<Json>,
diff --git a/packages/backend/native-utils/crates/model/src/entity/reversi_game.rs b/packages/backend/native-utils/crates/model/src/entity/reversi_game.rs
index 1e53592802..0c82fccf74 100644
--- a/packages/backend/native-utils/crates/model/src/entity/reversi_game.rs
+++ b/packages/backend/native-utils/crates/model/src/entity/reversi_game.rs
@@ -2,6 +2,8 @@
 
 use sea_orm::entity::prelude::*;
 
+use super::newtype::StringVec;
+
 #[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq)]
 #[sea_orm(table_name = "reversi_game")]
 pub struct Model {
@@ -29,7 +31,7 @@ pub struct Model {
     pub surrendered: Option<String>,
     #[sea_orm(column_type = "JsonBinary")]
     pub logs: Json,
-    pub map: Vec<String>,
+    pub map: StringVec,
     pub bw: String,
     #[sea_orm(column_name = "isLlotheo")]
     pub is_llotheo: bool,
diff --git a/packages/backend/native-utils/crates/model/src/entity/user.rs b/packages/backend/native-utils/crates/model/src/entity/user.rs
index 79b9fa6927..1cf6ac6b7b 100644
--- a/packages/backend/native-utils/crates/model/src/entity/user.rs
+++ b/packages/backend/native-utils/crates/model/src/entity/user.rs
@@ -2,6 +2,8 @@
 
 use sea_orm::entity::prelude::*;
 
+use super::newtype::StringVec;
+
 #[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq)]
 #[sea_orm(table_name = "user")]
 pub struct Model {
@@ -27,7 +29,7 @@ pub struct Model {
     pub avatar_id: Option<String>,
     #[sea_orm(column_name = "bannerId", unique)]
     pub banner_id: Option<String>,
-    pub tags: Vec<String>,
+    pub tags: StringVec,
     #[sea_orm(column_name = "isSuspended")]
     pub is_suspended: bool,
     #[sea_orm(column_name = "isSilenced")]
@@ -42,7 +44,7 @@ pub struct Model {
     pub is_admin: bool,
     #[sea_orm(column_name = "isModerator")]
     pub is_moderator: bool,
-    pub emojis: Vec<String>,
+    pub emojis: StringVec,
     pub host: Option<String>,
     pub inbox: Option<String>,
     #[sea_orm(column_name = "sharedInbox")]
diff --git a/packages/backend/native-utils/crates/model/src/entity/user_profile.rs b/packages/backend/native-utils/crates/model/src/entity/user_profile.rs
index 3a12469d88..d62607f162 100644
--- a/packages/backend/native-utils/crates/model/src/entity/user_profile.rs
+++ b/packages/backend/native-utils/crates/model/src/entity/user_profile.rs
@@ -3,6 +3,8 @@
 use super::sea_orm_active_enums::UserProfileFfvisibilityEnum;
 use sea_orm::entity::prelude::*;
 
+use super::newtype::StringVec;
+
 #[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq)]
 #[sea_orm(table_name = "user_profile")]
 pub struct Model {
@@ -53,7 +55,7 @@ pub struct Model {
     #[sea_orm(column_name = "mutedWords", column_type = "JsonBinary")]
     pub muted_words: Json,
     #[sea_orm(column_name = "mutingNotificationTypes")]
-    pub muting_notification_types: Vec<String>,
+    pub muting_notification_types: StringVec,
     #[sea_orm(column_name = "noCrawle")]
     pub no_crawle: bool,
     #[sea_orm(column_name = "receiveAnnouncementEmail")]
diff --git a/packages/backend/native-utils/crates/model/src/entity/webhook.rs b/packages/backend/native-utils/crates/model/src/entity/webhook.rs
index 952dcbadba..dd3c3c7389 100644
--- a/packages/backend/native-utils/crates/model/src/entity/webhook.rs
+++ b/packages/backend/native-utils/crates/model/src/entity/webhook.rs
@@ -2,6 +2,8 @@
 
 use sea_orm::entity::prelude::*;
 
+use super::newtype::StringVec;
+
 #[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq)]
 #[sea_orm(table_name = "webhook")]
 pub struct Model {
@@ -12,7 +14,7 @@ pub struct Model {
     #[sea_orm(column_name = "userId")]
     pub user_id: String,
     pub name: String,
-    pub on: Vec<String>,
+    pub on: StringVec,
     pub url: String,
     pub secret: String,
     pub active: bool,