diff --git a/package.json b/package.json
index 6f8aa3b160..199205db48 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,8 @@
 		"start:test": "pnpm --filter backend run start:test",
 		"init": "pnpm run migrate",
 		"migrate": "pnpm --filter backend run migrate",
-		"migrate:scylla": "pnpm --filter backend run migrate:scylla",
+		"scylla:migrate": "pnpm --filter native-utils run scylla:migrate",
+		"scylla:setup": "pnpm --filter native-utils run scylla:setup && pnpm run scylla:migrate",
 		"revertmigration": "pnpm --filter backend run revertmigration",
 		"migrateandstart": "pnpm run migrate && pnpm run start",
 		"gulp": "gulp build",
diff --git a/packages/backend/native-utils/package.json b/packages/backend/native-utils/package.json
index 98b4e6fec9..2a87cfbd42 100644
--- a/packages/backend/native-utils/package.json
+++ b/packages/backend/native-utils/package.json
@@ -38,6 +38,8 @@
 		"build:napi": "napi build --features napi --platform --release ./built/",
 		"build:migration": "cargo build --locked --release --manifest-path ./migration/Cargo.toml && cp -v ./target/release/migration ./built/migration",
 		"build:debug": "napi build --features napi --platform ./built/ && cargo build --locked --manifest-path ./migration/Cargo.toml && cp -v ./target/debug/migration ./built/migration",
+		"scylla:migrate": "cargo run --release --locked --manifest-path ./scylla-migration/Cargo.toml -- -d ./scylla-migration/cql -c ../../../.config/default.yml up",
+		"scylla:setup": "cargo run --release --locked --manifest-path ./scylla-migration/Cargo.toml -- -d ./scylla-migration/cql -c ../../../.config/default.yml setup",
 		"prepublishOnly": "napi prepublish -t npm",
 		"test": "pnpm run cargo:test && pnpm run build:napi && ava",
 		"universal": "napi universal",
diff --git a/packages/backend/native-utils/scylla-migration/src/setup.rs b/packages/backend/native-utils/scylla-migration/src/setup.rs
index a32b5389b8..c67273533f 100644
--- a/packages/backend/native-utils/scylla-migration/src/setup.rs
+++ b/packages/backend/native-utils/scylla-migration/src/setup.rs
@@ -57,7 +57,7 @@ impl Initializer {
                 .await?;
         }
 
-        let tables = vec!["note", "note_edit", "poll", "poll_vote", "notification"];
+        let tables = vec!["note_reaction", "note_edit", "poll", "poll_vote", "notification", "note"];
         for table in tables {
             sqlx::query(&format!("DROP TABLE {}", table))
                 .execute(&mut conn)
diff --git a/packages/backend/package.json b/packages/backend/package.json
index d0cb4deec6..f37f57b92e 100644
--- a/packages/backend/package.json
+++ b/packages/backend/package.json
@@ -9,7 +9,6 @@
 		"migrate": "pnpm run migrate:typeorm && pnpm run migrate:cargo",
 		"migrate:typeorm": "typeorm migration:run -d ormconfig.js",
 		"migrate:cargo": "./native-utils/built/migration up",
-		"migrate:scylla": "cargo run --release --locked --manifest-path ./native-utils/scylla-migration/Cargo.toml -- -d ./native-utils/scylla-migration/cql -c ../../.config/default.yml up",
 		"revertmigration": "pnpm run revertmigration:cargo && pnpm run revertmigration:typeorm",
 		"revertmigration:typeorm": "typeorm migration:revert -d ormconfig.js",
 		"revertmigration:cargo": "./native-utils/built/migration down",
diff --git a/packages/backend/src/models/repositories/user.ts b/packages/backend/src/models/repositories/user.ts
index 41bd251bd0..629cf5dbad 100644
--- a/packages/backend/src/models/repositories/user.ts
+++ b/packages/backend/src/models/repositories/user.ts
@@ -7,7 +7,6 @@ import type { Packed } from "@/misc/schema.js";
 import type { Promiseable } from "@/prelude/await-all.js";
 import { awaitAll } from "@/prelude/await-all.js";
 import { populateEmojis } from "@/misc/populate-emojis.js";
-import { getAntennas } from "@/misc/antenna-cache.js";
 import { USER_ACTIVE_THRESHOLD, USER_ONLINE_THRESHOLD } from "@/const.js";
 import { Cache } from "@/misc/cache.js";
 import { db } from "@/db/postgre.js";
@@ -296,6 +295,11 @@ export const UserRepository = db.getRepository(User).extend({
 	},
 
 	async getHasUnreadNotification(userId: User["id"]): Promise<boolean> {
+		if (scyllaClient) {
+			// FIXME: all notifications are automatically read at the moment
+			return false;
+		}
+
 		const mute = await Mutings.findBy({
 			muterId: userId,
 		});
diff --git a/packages/backend/src/server/api/common/read-notification.ts b/packages/backend/src/server/api/common/read-notification.ts
index 1fb1d642fe..fa582ab6e0 100644
--- a/packages/backend/src/server/api/common/read-notification.ts
+++ b/packages/backend/src/server/api/common/read-notification.ts
@@ -4,12 +4,14 @@ import { pushNotification } from "@/services/push-notification.js";
 import type { User } from "@/models/entities/user.js";
 import type { Notification } from "@/models/entities/notification.js";
 import { Notifications, Users } from "@/models/index.js";
+import { scyllaClient } from "@/db/scylla.js";
 
 export async function readNotification(
 	userId: User["id"],
 	notificationIds: Notification["id"][],
 ) {
-	if (notificationIds.length === 0) return;
+	// FIXME: all notifications are automatically read at the moment
+	if (notificationIds.length === 0 || scyllaClient) return;
 
 	// Update documents
 	const result = await Notifications.update(
@@ -34,6 +36,11 @@ export async function readNotificationByQuery(
 	userId: User["id"],
 	query: Record<string, any>,
 ) {
+	if (scyllaClient) {
+		// FIXME: all notifications are automatically read at the moment
+		return;
+	}
+
 	const notificationIds = await Notifications.findBy({
 		...query,
 		notifieeId: userId,
diff --git a/packages/backend/src/server/api/endpoints/admin/suspend-user.ts b/packages/backend/src/server/api/endpoints/admin/suspend-user.ts
index 984bc0789e..502d6f583c 100644
--- a/packages/backend/src/server/api/endpoints/admin/suspend-user.ts
+++ b/packages/backend/src/server/api/endpoints/admin/suspend-user.ts
@@ -5,6 +5,7 @@ import type { User } from "@/models/entities/user.js";
 import { insertModerationLog } from "@/services/insert-moderation-log.js";
 import { doPostSuspend } from "@/services/suspend-user.js";
 import { publishUserEvent } from "@/services/stream.js";
+import { scyllaClient } from "@/db/scylla.js";
 
 export const meta = {
 	tags: ["admin"],
@@ -75,6 +76,11 @@ async function unFollowAll(follower: User) {
 }
 
 async function readAllNotify(notifier: User) {
+	if (scyllaClient) {
+		// FIXME: all notifications are automatically read at the moment
+		return;
+	}
+
 	await Notifications.update(
 		{
 			notifierId: notifier.id,
diff --git a/packages/backend/src/server/api/endpoints/notes.ts b/packages/backend/src/server/api/endpoints/notes.ts
index 61ac8f4048..5ce2653887 100644
--- a/packages/backend/src/server/api/endpoints/notes.ts
+++ b/packages/backend/src/server/api/endpoints/notes.ts
@@ -41,7 +41,9 @@ export default define(meta, paramDef, async (ps) => {
 		ps.untilId,
 	)
 		.andWhere("note.visibility = 'public'")
-		.andWhere("note.localOnly = FALSE");
+		.andWhere("note.localOnly = FALSE")
+		.leftJoinAndSelect("note.reply", "reply")
+		.leftJoinAndSelect("note.renote", "renote");
 
 	if (ps.local) {
 		query.andWhere("note.userHost IS NULL");
diff --git a/packages/backend/src/server/api/endpoints/notes/featured.ts b/packages/backend/src/server/api/endpoints/notes/featured.ts
index 47c1e13812..c8362f21df 100644
--- a/packages/backend/src/server/api/endpoints/notes/featured.ts
+++ b/packages/backend/src/server/api/endpoints/notes/featured.ts
@@ -46,17 +46,6 @@ export default define(meta, paramDef, async (ps, user) => {
 		.andWhere("note.score > 0")
 		.andWhere("note.createdAt > :date", { date: new Date(Date.now() - day) })
 		.andWhere("note.visibility = 'public'")
-		.innerJoinAndSelect("note.user", "user")
-		.leftJoinAndSelect("user.avatar", "avatar")
-		.leftJoinAndSelect("user.banner", "banner")
-		.leftJoinAndSelect("note.reply", "reply")
-		.leftJoinAndSelect("note.renote", "renote")
-		.leftJoinAndSelect("reply.user", "replyUser")
-		.leftJoinAndSelect("replyUser.avatar", "replyUserAvatar")
-		.leftJoinAndSelect("replyUser.banner", "replyUserBanner")
-		.leftJoinAndSelect("renote.user", "renoteUser")
-		.leftJoinAndSelect("renoteUser.avatar", "renoteUserAvatar")
-		.leftJoinAndSelect("renoteUser.banner", "renoteUserBanner");
 
 	switch (ps.origin) {
 		case "local":
diff --git a/packages/backend/src/server/api/endpoints/notes/global-timeline.ts b/packages/backend/src/server/api/endpoints/notes/global-timeline.ts
index 646be67f6e..f400e0ff91 100644
--- a/packages/backend/src/server/api/endpoints/notes/global-timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/global-timeline.ts
@@ -178,7 +178,9 @@ export default define(meta, paramDef, async (ps, user) => {
 		ps.untilDate,
 	)
 		.andWhere("note.visibility = 'public'")
-		.andWhere("note.channelId IS NULL");
+		.andWhere("note.channelId IS NULL")
+		.leftJoinAndSelect("note.reply", "reply")
+		.leftJoinAndSelect("note.renote", "renote");
 
 	generateRepliesQuery(query, ps.withReplies, user);
 	if (user) {
diff --git a/packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts b/packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts
index 4baf610eab..80d2cddea2 100644
--- a/packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/hybrid-timeline.ts
@@ -218,6 +218,8 @@ export default define(meta, paramDef, async (ps, user) => {
 				).orWhere("(note.visibility = 'public') AND (note.userHost IS NULL)");
 			}),
 		)
+		.leftJoinAndSelect("note.reply", "reply")
+		.leftJoinAndSelect("note.renote", "renote")
 		.setParameters(followingQuery.getParameters());
 
 	generateChannelQuery(query, user);
diff --git a/packages/backend/src/server/api/endpoints/notes/local-timeline.ts b/packages/backend/src/server/api/endpoints/notes/local-timeline.ts
index fcd131eabc..dbab2f019b 100644
--- a/packages/backend/src/server/api/endpoints/notes/local-timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/local-timeline.ts
@@ -206,7 +206,10 @@ export default define(meta, paramDef, async (ps, user) => {
 		ps.untilId,
 		ps.sinceDate,
 		ps.untilDate,
-	).andWhere("(note.visibility = 'public') AND (note.userHost IS NULL)");
+	)
+		.andWhere("(note.visibility = 'public') AND (note.userHost IS NULL)")
+		.leftJoinAndSelect("note.reply", "reply")
+		.leftJoinAndSelect("note.renote", "renote");
 
 	generateChannelQuery(query, user);
 	generateRepliesQuery(query, ps.withReplies, user);
diff --git a/packages/backend/src/server/api/endpoints/notes/renotes.ts b/packages/backend/src/server/api/endpoints/notes/renotes.ts
index 56213dd223..b5385d4e9b 100644
--- a/packages/backend/src/server/api/endpoints/notes/renotes.ts
+++ b/packages/backend/src/server/api/endpoints/notes/renotes.ts
@@ -133,7 +133,10 @@ export default define(meta, paramDef, async (ps, user) => {
 		Notes.createQueryBuilder("note"),
 		ps.sinceId,
 		ps.untilId,
-	).andWhere("note.renoteId = :renoteId", { renoteId: note.id });
+	)
+		.andWhere("note.renoteId = :renoteId", { renoteId: note.id })
+		.leftJoinAndSelect("note.reply", "reply")
+		.leftJoinAndSelect("note.renote", "renote");
 
 	if (ps.userId) {
 		query.andWhere("note.userId = :userId", { userId: ps.userId });
diff --git a/packages/backend/src/server/api/endpoints/notes/show.ts b/packages/backend/src/server/api/endpoints/notes/show.ts
index e674664100..8c5f91c5c1 100644
--- a/packages/backend/src/server/api/endpoints/notes/show.ts
+++ b/packages/backend/src/server/api/endpoints/notes/show.ts
@@ -2,7 +2,6 @@ import { Notes } from "@/models/index.js";
 import define from "../../define.js";
 import { getNote } from "../../common/getters.js";
 import { ApiError } from "../../error.js";
-import { scyllaClient } from "@/db/scylla.js";
 
 export const meta = {
 	tags: ["notes"],
diff --git a/packages/backend/src/server/api/endpoints/notes/timeline.ts b/packages/backend/src/server/api/endpoints/notes/timeline.ts
index 2794ead481..c95aba45f4 100644
--- a/packages/backend/src/server/api/endpoints/notes/timeline.ts
+++ b/packages/backend/src/server/api/endpoints/notes/timeline.ts
@@ -197,6 +197,8 @@ export default define(meta, paramDef, async (ps, user) => {
 					qb.orWhere(`note.userId IN (${followingQuery.getQuery()})`);
 			}),
 		)
+		.leftJoinAndSelect("note.reply", "reply")
+		.leftJoinAndSelect("note.renote", "renote")
 		.setParameters(followingQuery.getParameters());
 
 	generateChannelQuery(query, user);
diff --git a/packages/backend/src/server/api/endpoints/notifications/mark-all-as-read.ts b/packages/backend/src/server/api/endpoints/notifications/mark-all-as-read.ts
index e0888ad752..663157f109 100644
--- a/packages/backend/src/server/api/endpoints/notifications/mark-all-as-read.ts
+++ b/packages/backend/src/server/api/endpoints/notifications/mark-all-as-read.ts
@@ -2,6 +2,7 @@ import { publishMainStream } from "@/services/stream.js";
 import { pushNotification } from "@/services/push-notification.js";
 import { Notifications } from "@/models/index.js";
 import define from "../../define.js";
+import { scyllaClient } from "@/db/scylla.js";
 
 export const meta = {
 	tags: ["notifications", "account"],
@@ -18,16 +19,18 @@ export const paramDef = {
 } as const;
 
 export default define(meta, paramDef, async (ps, user) => {
-	// Update documents
-	await Notifications.update(
-		{
-			notifieeId: user.id,
-			isRead: false,
-		},
-		{
-			isRead: true,
-		},
-	);
+	if (!scyllaClient) {
+		// Update documents
+		await Notifications.update(
+			{
+				notifieeId: user.id,
+				isRead: false,
+			},
+			{
+				isRead: true,
+			},
+		);
+	}
 
 	// 全ての通知を読みましたよというイベントを発行
 	publishMainStream(user.id, "readAllNotifications");
diff --git a/packages/backend/src/server/api/endpoints/users/notes.ts b/packages/backend/src/server/api/endpoints/users/notes.ts
index 674ace90db..3aff0a65ed 100644
--- a/packages/backend/src/server/api/endpoints/users/notes.ts
+++ b/packages/backend/src/server/api/endpoints/users/notes.ts
@@ -176,7 +176,10 @@ export default define(meta, paramDef, async (ps, me) => {
 		ps.untilId,
 		ps.sinceDate,
 		ps.untilDate,
-	).andWhere("note.userId = :userId", { userId: user.id });
+	)
+		.andWhere("note.userId = :userId", { userId: user.id })
+		.leftJoinAndSelect("note.reply", "reply")
+		.leftJoinAndSelect("note.renote", "renote");
 
 	generateVisibilityQuery(query, me);
 	if (me) {
diff --git a/packages/backend/src/services/note/read.ts b/packages/backend/src/services/note/read.ts
index 205edafad2..675a8d54b7 100644
--- a/packages/backend/src/services/note/read.ts
+++ b/packages/backend/src/services/note/read.ts
@@ -6,6 +6,7 @@ import { Not, IsNull, In } from "typeorm";
 import type { Channel } from "@/models/entities/channel.js";
 import { readNotificationByQuery } from "@/server/api/common/read-notification.js";
 import type { Packed } from "@/misc/schema.js";
+import { scyllaClient } from "@/db/scylla.js";
 
 /**
  * Mark notes as read
@@ -18,6 +19,11 @@ export default async function (
 		followingChannels: Set<Channel["id"]>;
 	},
 ) {
+	if (scyllaClient) {
+		// FIXME: all notes are automatically read at the moment
+		return;
+	}
+
 	const followingChannels = info?.followingChannels
 		? info.followingChannels
 		: new Set<string>(