Alarm (Silent Siren)

 is the 11th single by Silent Siren.

Limited Edition CD

 * 1) alarm

Type-A CD

 * 1) alarm
 * 2) hikari

Type-B CD

 * 1) alarm
 * 2) Kimi Suki Smile (キミスキスマイル)

Limited Edition DVD

 * 1) alarm (MUSIC VIDEO)
 * 2) alarm (MUSIC VIDEO Making)