シリアル⇔NUMBER Serial Number Is A Japanese Band Formed In April 2005 But Became An Official Band Later In June. The Band Consists Of Vocalist 佐々木 仁 Sasaki Jin Guitarists MIHIRO And Kei-To And Bassist イザ Iza . Like Most Oshare Kei Bands シリアル⇔NUMBER Also Has Bright And Colorful Costumes. Their Looks Tell About Their Style Of Music Too Since Their Songs Have Happy Pop/rock Sound In Them. At First シリアル⇔NUMBER Consisted Of Sasaki Shiyuu Kazune Tama Their Ex-Bassist And Kaiika Who Was Their Support Drummer. Tama Left The Band Soon And Kai Became Their Drummer. Later In August 2006 Hibiki Joined The Band As Their New Bassist And With New Releases From Time To Time The Band Is Still Keeping Their Activities Up. In October 2010 The Band Announced That Shiyuu Hibiki And Kai Will Be Departing After Their Live At Takadanobaba AREA On 27th December. Vocalist Jin Was The Only Member Left But Didn't Give Up On シリアル⇔NUMBER He Kept Searching And Found New Members. Members History 佐々木 仁 Sasaki Jin On Vocals Ex-FAZE RUSH → 稲妻 → GREAT CONFUSION Support Guitar YUI Drums Fumiya Ex-Members 紫遊 Shiyuu On Guitar 響希 Hibiki On Bass 華威 Kai On Drums 和音 Kazune On Guitar Tama On Bass Kaiika Support Drummer りょうへ~ Ryouhei On Drums MIHIRO On Guitar Kei-To On Guitar イザ Iza On Bass