Flap Girls' School

 (フラップガールズスクール) was an idol group formed in April 2012. All members graduated on April 30, 2018, and the group disbanded.

Final Line-up

 * Michie Sachiko (道江幸子) (Joined March 2013)
 * Sakamoto Maria (坂本マリア) (Joined August 2013)
 * Akatsu Kyoko (赤津杏子) (Joined May 2016)
 * Saito Hinano (齋藤雛乃) (Joined May 2016)

Former Members

 * Toyoda Serina (豊田瀬里奈) (Original member; Left July 2012)
 * Tajima Natsuki (田島菜津) (Original member; Left August 2012)
 * Iida Toshimi (飯田敏美) (Original member; Left August 2012)
 * Kikuchi Yuka (菊池優香) (Original member; Left August 2012)
 * Ichikawa Miku (市川未来) (Original member; Left January 2013)
 * Ono Ayumi (小野亜由美) (Original member; Left January 2013)
 * Takamura Ayaka (高村彩夏) (Original member; Fired February 2013)
 * Suzuki Ayako (鈴木絢子) (Original member; Fired April 2013)
 * Endo Kana (遠藤香南) (Original member; Left April 2013)
 * Suzuki Chihiro (鈴木千尋) (Original member; Graduated April 2013)
 * Kondo Mayu (近藤真由) (Original member; Graduated July 2013)
 * Sato Mai (佐藤麻衣) (Original member; Graduated October 2014)
 * Sato Rina (佐藤里南) (Original member; Graduated October 2014)
 * Endo Rena (遠藤礼菜) (Joined August 2013; Graduated October 2014)
 * Takano Chie (高野千絵) (Original member; Graduated April 2015)
 * Aoyama Reina (青山玲奈) (Original member; Graduated May 2016)
 * Hanagata Joy (花形光音) (Joined May 2016; Left June 2016)
 * Yokoyama Miran (横山未蘭) (Joined February 2013; Graduated June 2017)
 * Sato Yuka (佐藤優香) (Joined August 2013; Graduated June 2017)
 * Mizuguchi Yuuka (水口優花) (Joined June 2017; Left September 2017)

Albums

 * [2016.03.09] SCHOOL DAYS
 * [2018.03.28] F.G.S.

Singles

 * [2014.01.21] Tsubomi (つぼみ)
 * [2014.08.05] Omokaji Ippai! (面舵イッパイ！)
 * [2015.03.24] Habatake Tsubasa (羽ばたけ翼)
 * [2015.08.18] Summer Days DANCE (サマーデイズDANCE)
 * [2016.08.09] Viva La Samba (ビバ・ラ・サンバ)
 * [2017.04.18] Kimi wo Mamorikiru (君を守りきる)
 * [2017.12.05] Happy Merry2 X'mas