diff --git a/locales/ja-JP.yml b/locales/ja-JP.yml
index 2093613e98..ff31c96a77 100644
--- a/locales/ja-JP.yml
+++ b/locales/ja-JP.yml
@@ -825,6 +825,8 @@ priority: "優先度"
 high: "高"
 middle: "中"
 low: "低"
+GamingSpeedChange: "ゲーミングの光るスピードの調整"
+GamingSpeedChangeInfo: "左にすれば早くなる、右にすれば遅くなる。それだけ。"
 emailNotConfiguredWarning: "メールアドレスの設定がされていません。"
 ratio: "比率"
 previewNoteText: "本文をプレビュー"
@@ -1863,6 +1865,7 @@ _widgets:
   instanceInfo: "サーバー情報"
   memo: "付箋"
   notifications: "通知"
+  gamingMode: "ゲーミングモード"
   timeline: "タイムライン"
   calendar: "カレンダー"
   trends: "トレンド"
diff --git a/packages/frontend/src/pages/settings/general.vue b/packages/frontend/src/pages/settings/general.vue
index 2eec6b8dac..ba4a630ecf 100644
--- a/packages/frontend/src/pages/settings/general.vue
+++ b/packages/frontend/src/pages/settings/general.vue
@@ -167,6 +167,8 @@ SPDX-License-Identifier: AGPL-3.0-only
 				<template #caption>{{ i18n.ts.numberOfPageCacheDescription }}</template>
 			</MkRange>
 			<MkRange v-model="numberOfGamingSpeed" :min="1" :max="60" :step="1" easing>
+        <template #label>{{ i18n.ts.GamingSpeedChange }}</template>
+        <template #caption>{{ i18n.ts.GamingSpeedChangeInfo }}</template>
 			</MkRange>
 		</div>
 	</FormSection>
@@ -269,6 +271,7 @@ watch(lang, () => {
 	miLocalStorage.setItem('lang', lang.value as string);
 	miLocalStorage.removeItem('locale');
 });
+document.documentElement.style.setProperty('--gamingspeed', numberOfGamingSpeed.value+'s');
 watch(numberOfGamingSpeed, () =>{
   document.documentElement.style.setProperty('--gamingspeed', numberOfGamingSpeed.value+'s');
 })
@@ -303,7 +306,6 @@ watch([
 	highlightSensitiveMedia,
 	keepScreenOn,
 	showMediaTimeline,
-	enableGamingMode
 ], async () => {
 	await reloadAsk();
 });