diff --git a/CHANGELOG_YOJO.md b/CHANGELOG_YOJO.md
index 7e51f4791e..8c27ba0cc1 100644
--- a/CHANGELOG_YOJO.md
+++ b/CHANGELOG_YOJO.md
@@ -11,6 +11,7 @@ Misskey 2025.2.0
   -　エンドポイント:`api/federation/remote-software` 
   - フロントエンドでは`/about#charts` で確認できます
 
+
 ### Client
 - yojo-art アップデートを開くとサーバー設定が更新される問題を修正 [#651](https://github.com/yojo-art/cherrypick/pull/651)
 - リアクション付ける前に確認ダイアログを追加するオプション [#657](https://github.com/yojo-art/cherrypick/pull/657)
@@ -18,6 +19,7 @@ Misskey 2025.2.0
 ### Server
 - リモートのイベントを表示できるように [#658](https://github.com/yojo-art/cherrypick/pull/658)
 - 通常の検索でもOpenSearchを利用できるように [#661](https://github.com/yojo-art/cherrypick/pull/661)
+- `api/i/notifications-grouped`で新着ノートをデフォルトでまとめないように[#662](https://github.com/yojo-art/cherrypick/pull/662)
 
 ## 1.3.1
 Cherrypick 4.13.0  
diff --git a/packages/backend/src/server/api/endpoints/i/notifications-grouped.ts b/packages/backend/src/server/api/endpoints/i/notifications-grouped.ts
index 9bf5f0d0b2..6e2602e57a 100644
--- a/packages/backend/src/server/api/endpoints/i/notifications-grouped.ts
+++ b/packages/backend/src/server/api/endpoints/i/notifications-grouped.ts
@@ -46,6 +46,7 @@ export const paramDef = {
 		sinceId: { type: 'string', format: 'misskey:id' },
 		untilId: { type: 'string', format: 'misskey:id' },
 		markAsRead: { type: 'boolean', default: true },
+		groupNote: { type: 'boolean', default: false, description: '新着ノート通知をまとめるか' },
 		// 後方互換のため、廃止された通知タイプも受け付ける
 		includeTypes: { type: 'array', items: {
 			type: 'string', enum: [...groupedNotificationTypes, ...obsoleteNotificationTypes],
@@ -157,7 +158,7 @@ export default class extends Endpoint<typeof meta, typeof paramDef> { // eslint-
 					prevGroupedNotification.id = notification.id;
 					continue;
 				}
-				if (prev.type === 'note' && notification.type === 'note') {
+				if (prev.type === 'note' && notification.type === 'note' && ps.groupNote) {
 					if (prevGroupedNotification.type !== 'note:grouped') {
 						groupedNotifications[groupedNotifications.length - 1] = {
 							type: 'note:grouped',
diff --git a/packages/cherrypick-js/src/autogen/types.ts b/packages/cherrypick-js/src/autogen/types.ts
index 9193cdb437..7e60d2ed54 100644
--- a/packages/cherrypick-js/src/autogen/types.ts
+++ b/packages/cherrypick-js/src/autogen/types.ts
@@ -20896,6 +20896,11 @@ export type operations = {
           untilId?: string;
           /** @default true */
           markAsRead?: boolean;
+          /**
+           * @description 新着ノート通知をまとめるか
+           * @default false
+           */
+          groupNote?: boolean;
           includeTypes?: ('note' | 'follow' | 'mention' | 'reply' | 'renote' | 'quote' | 'reaction' | 'pollEnded' | 'receiveFollowRequest' | 'followRequestAccepted' | 'groupInvited' | 'roleAssigned' | 'achievementEarned' | 'exportCompleted' | 'login' | 'createToken' | 'scheduleNote' | 'app' | 'test' | 'reaction:grouped' | 'renote:grouped' | 'note:grouped' | 'pollVote')[];
           excludeTypes?: ('note' | 'follow' | 'mention' | 'reply' | 'renote' | 'quote' | 'reaction' | 'pollEnded' | 'receiveFollowRequest' | 'followRequestAccepted' | 'groupInvited' | 'roleAssigned' | 'achievementEarned' | 'exportCompleted' | 'login' | 'createToken' | 'scheduleNote' | 'app' | 'test' | 'reaction:grouped' | 'renote:grouped' | 'note:grouped' | 'pollVote')[];
         };
diff --git a/packages/frontend/src/components/MkNotifications.vue b/packages/frontend/src/components/MkNotifications.vue
index f116ca32b3..a04629c8e7 100644
--- a/packages/frontend/src/components/MkNotifications.vue
+++ b/packages/frontend/src/components/MkNotifications.vue
@@ -57,6 +57,7 @@ const pagination = computed(() => props.notUseGrouped ? {
 	limit: 20,
 	params: computed(() => ({
 		excludeTypes: props.excludeTypes ?? undefined,
+		groupNote: true,
 	})),
 } : {
 	endpoint: 'i/notifications' as const,