diff --git a/packages/frontend/assets/sounds/syuilo/n-aec-4va.mp3 b/packages/frontend/assets/sounds/syuilo/n-aec-4va.mp3
new file mode 100644
index 0000000000..2ef7024beb
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diff --git a/packages/frontend/assets/sounds/syuilo/n-aec-4vb.mp3 b/packages/frontend/assets/sounds/syuilo/n-aec-4vb.mp3
new file mode 100644
index 0000000000..a8ad11287e
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diff --git a/packages/frontend/assets/sounds/syuilo/n-aec-8va.mp3 b/packages/frontend/assets/sounds/syuilo/n-aec-8va.mp3
new file mode 100644
index 0000000000..8cc2ead028
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diff --git a/packages/frontend/assets/sounds/syuilo/n-aec-8vb.mp3 b/packages/frontend/assets/sounds/syuilo/n-aec-8vb.mp3
new file mode 100644
index 0000000000..59cbcaf917
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diff --git a/packages/frontend/assets/sounds/syuilo/n-aec.mp3 b/packages/frontend/assets/sounds/syuilo/n-aec.mp3
new file mode 100644
index 0000000000..7aec0516e7
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diff --git a/packages/frontend/assets/sounds/syuilo/n-cea-4va.mp3 b/packages/frontend/assets/sounds/syuilo/n-cea-4va.mp3
new file mode 100644
index 0000000000..98fe354d67
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diff --git a/packages/frontend/assets/sounds/syuilo/n-cea-4vb.mp3 b/packages/frontend/assets/sounds/syuilo/n-cea-4vb.mp3
new file mode 100644
index 0000000000..7b69b3410d
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diff --git a/packages/frontend/assets/sounds/syuilo/n-cea-8va.mp3 b/packages/frontend/assets/sounds/syuilo/n-cea-8va.mp3
new file mode 100644
index 0000000000..44f2deee3d
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diff --git a/packages/frontend/assets/sounds/syuilo/n-cea-8vb.mp3 b/packages/frontend/assets/sounds/syuilo/n-cea-8vb.mp3
new file mode 100644
index 0000000000..1342a56f85
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diff --git a/packages/frontend/assets/sounds/syuilo/n-cea.mp3 b/packages/frontend/assets/sounds/syuilo/n-cea.mp3
new file mode 100644
index 0000000000..88d641fd64
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diff --git a/packages/frontend/assets/sounds/syuilo/n-ea-4va.mp3 b/packages/frontend/assets/sounds/syuilo/n-ea-4va.mp3
new file mode 100644
index 0000000000..468b82bc2c
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diff --git a/packages/frontend/assets/sounds/syuilo/n-ea-4vb.mp3 b/packages/frontend/assets/sounds/syuilo/n-ea-4vb.mp3
new file mode 100644
index 0000000000..3869e894d2
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diff --git a/packages/frontend/assets/sounds/syuilo/n-ea-8va.mp3 b/packages/frontend/assets/sounds/syuilo/n-ea-8va.mp3
new file mode 100644
index 0000000000..f268b7ee8b
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diff --git a/packages/frontend/assets/sounds/syuilo/n-ea-8vb.mp3 b/packages/frontend/assets/sounds/syuilo/n-ea-8vb.mp3
new file mode 100644
index 0000000000..d6e895e67b
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diff --git a/packages/frontend/assets/sounds/syuilo/n-ea-harmony.mp3 b/packages/frontend/assets/sounds/syuilo/n-ea-harmony.mp3
new file mode 100644
index 0000000000..8e055db91d
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diff --git a/packages/frontend/assets/sounds/syuilo/n-ea.mp3 b/packages/frontend/assets/sounds/syuilo/n-ea.mp3
new file mode 100644
index 0000000000..c13d13247b
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diff --git a/packages/frontend/assets/sounds/syuilo/n-eca-4va.mp3 b/packages/frontend/assets/sounds/syuilo/n-eca-4va.mp3
new file mode 100644
index 0000000000..06577d5431
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diff --git a/packages/frontend/assets/sounds/syuilo/n-eca-4vb.mp3 b/packages/frontend/assets/sounds/syuilo/n-eca-4vb.mp3
new file mode 100644
index 0000000000..1622033d6a
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diff --git a/packages/frontend/assets/sounds/syuilo/n-eca-8va.mp3 b/packages/frontend/assets/sounds/syuilo/n-eca-8va.mp3
new file mode 100644
index 0000000000..a3a9f3a9fb
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diff --git a/packages/frontend/assets/sounds/syuilo/new-cea.mp3 b/packages/frontend/assets/sounds/syuilo/n-eca-8vb.mp3
similarity index 54%
rename from packages/frontend/assets/sounds/syuilo/new-cea.mp3
rename to packages/frontend/assets/sounds/syuilo/n-eca-8vb.mp3
index 16581990ea..4efa848407 100644
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diff --git a/packages/frontend/assets/sounds/syuilo/n-eca.mp3 b/packages/frontend/assets/sounds/syuilo/n-eca.mp3
new file mode 100644
index 0000000000..1a3979cc61
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diff --git a/packages/frontend/assets/sounds/syuilo/new-aec-4va.mp3 b/packages/frontend/assets/sounds/syuilo/new-aec-4va.mp3
deleted file mode 100644
index 0c5a4fb15b..0000000000
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diff --git a/packages/frontend/assets/sounds/syuilo/new-aec-4vb.mp3 b/packages/frontend/assets/sounds/syuilo/new-aec-4vb.mp3
deleted file mode 100644
index 0842fe004b..0000000000
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diff --git a/packages/frontend/assets/sounds/syuilo/new-aec-8va.mp3 b/packages/frontend/assets/sounds/syuilo/new-aec-8va.mp3
deleted file mode 100644
index 9f2ed857d7..0000000000
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diff --git a/packages/frontend/assets/sounds/syuilo/new-aec-8vb.mp3 b/packages/frontend/assets/sounds/syuilo/new-aec-8vb.mp3
deleted file mode 100644
index 59a355f563..0000000000
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diff --git a/packages/frontend/assets/sounds/syuilo/new-aec.mp3 b/packages/frontend/assets/sounds/syuilo/new-aec.mp3
deleted file mode 100644
index cd4b7a50ac..0000000000
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diff --git a/packages/frontend/assets/sounds/syuilo/new-cea-4va.mp3 b/packages/frontend/assets/sounds/syuilo/new-cea-4va.mp3
deleted file mode 100644
index 6e9fbacfeb..0000000000
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diff --git a/packages/frontend/assets/sounds/syuilo/new-cea-4vb.mp3 b/packages/frontend/assets/sounds/syuilo/new-cea-4vb.mp3
deleted file mode 100644
index dcb0b59da6..0000000000
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diff --git a/packages/frontend/assets/sounds/syuilo/new-cea-8va.mp3 b/packages/frontend/assets/sounds/syuilo/new-cea-8va.mp3
deleted file mode 100644
index 6fc6652809..0000000000
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diff --git a/packages/frontend/assets/sounds/syuilo/new-cea-8vb.mp3 b/packages/frontend/assets/sounds/syuilo/new-cea-8vb.mp3
deleted file mode 100644
index 2df97a1a88..0000000000
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diff --git a/packages/frontend/assets/sounds/syuilo/new-eca-4va.mp3 b/packages/frontend/assets/sounds/syuilo/new-eca-4va.mp3
deleted file mode 100644
index 99f9361a31..0000000000
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diff --git a/packages/frontend/assets/sounds/syuilo/new-eca-4vb.mp3 b/packages/frontend/assets/sounds/syuilo/new-eca-4vb.mp3
deleted file mode 100644
index 64cff5f2e7..0000000000
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diff --git a/packages/frontend/assets/sounds/syuilo/new-eca-8va.mp3 b/packages/frontend/assets/sounds/syuilo/new-eca-8va.mp3
deleted file mode 100644
index 2e39af1ede..0000000000
Binary files a/packages/frontend/assets/sounds/syuilo/new-eca-8va.mp3 and /dev/null differ
diff --git a/packages/frontend/assets/sounds/syuilo/new-eca-8vb.mp3 b/packages/frontend/assets/sounds/syuilo/new-eca-8vb.mp3
deleted file mode 100644
index 2a95ec4fea..0000000000
Binary files a/packages/frontend/assets/sounds/syuilo/new-eca-8vb.mp3 and /dev/null differ
diff --git a/packages/frontend/assets/sounds/syuilo/new-eca.mp3 b/packages/frontend/assets/sounds/syuilo/new-eca.mp3
deleted file mode 100644
index 82969479dc..0000000000
Binary files a/packages/frontend/assets/sounds/syuilo/new-eca.mp3 and /dev/null differ
diff --git a/packages/frontend/src/scripts/sound.ts b/packages/frontend/src/scripts/sound.ts
index e48a08ae39..b08982facb 100644
--- a/packages/frontend/src/scripts/sound.ts
+++ b/packages/frontend/src/scripts/sound.ts
@@ -4,21 +4,27 @@ const cache = new Map<string, HTMLAudioElement>();
 
 export const soundsTypes = [
 	null,
-	'syuilo/new-aec-4va',
-	'syuilo/new-aec-4vb',
-	'syuilo/new-aec-8va',
-	'syuilo/new-aec-8vb',
-	'syuilo/new-aec',
-	'syuilo/new-cea-4va',
-	'syuilo/new-cea-4vb',
-	'syuilo/new-cea-8va',
-	'syuilo/new-cea-8vb',
-	'syuilo/new-cea',
-	'syuilo/new-eca-4va',
-	'syuilo/new-eca-4vb',
-	'syuilo/new-eca-8va',
-	'syuilo/new-eca-8vb',
-	'syuilo/new-eca',
+	'syuilo/n-aec',
+	'syuilo/n-aec-4va',
+	'syuilo/n-aec-4vb',
+	'syuilo/n-aec-8va',
+	'syuilo/n-aec-8vb',
+	'syuilo/n-cea',
+	'syuilo/n-cea-4va',
+	'syuilo/n-cea-4vb',
+	'syuilo/n-cea-8va',
+	'syuilo/n-cea-8vb',
+	'syuilo/n-eca',
+	'syuilo/n-eca-4va',
+	'syuilo/n-eca-4vb',
+	'syuilo/n-eca-8va',
+	'syuilo/n-eca-8vb',
+	'syuilo/n-ea',
+	'syuilo/n-ea-4va',
+	'syuilo/n-ea-4vb',
+	'syuilo/n-ea-8va',
+	'syuilo/n-ea-8vb',
+	'syuilo/n-ea-harmony',
 	'syuilo/up',
 	'syuilo/down',
 	'syuilo/pope1',
diff --git a/packages/frontend/src/store.ts b/packages/frontend/src/store.ts
index 14226468eb..a6ad1774ff 100644
--- a/packages/frontend/src/store.ts
+++ b/packages/frontend/src/store.ts
@@ -319,14 +319,14 @@ export class ColdDeviceStorage {
 		syncDeviceDarkMode: true,
 		plugins: [] as Plugin[],
 		mediaVolume: 0.5,
-		sound_masterVolume: 0.3,
-		sound_note: { type: 'syuilo/down', volume: 1 },
-		sound_noteMy: { type: 'syuilo/up', volume: 1 },
-		sound_notification: { type: 'syuilo/pope2', volume: 1 },
-		sound_chat: { type: 'syuilo/pope1', volume: 1 },
-		sound_chatBg: { type: 'syuilo/waon', volume: 1 },
-		sound_antenna: { type: 'syuilo/triple', volume: 1 },
-		sound_channel: { type: 'syuilo/square-pico', volume: 1 },
+		sound_masterVolume: 0.5,
+		sound_note: { type: 'syuilo/n-aec', volume: 0.5 },
+		sound_noteMy: { type: 'syuilo/n-cea', volume: 0.5 },
+		sound_notification: { type: 'syuilo/n-ea', volume: 0.5 },
+		sound_chat: { type: 'syuilo/pope1', volume: 0.5 },
+		sound_chatBg: { type: 'syuilo/waon', volume: 0.5 },
+		sound_antenna: { type: 'syuilo/triple', volume: 0.5 },
+		sound_channel: { type: 'syuilo/square-pico', volume: 0.5 },
 	};
 
 	public static watchers: Watcher[] = [];