ULTRAGIRL

 (ウルトラガール) was a two-member Japanese idol group originally formed with eight members in March 2012.

They disbanded on May 3, 2017, and was succeeded by the new group ULTRA.

Final Line-Up

 * Rukawa Runa (流川るな; ) (Joined May 2016)
 * Sasazawa Mayuka (笹沢茉由花; ) (Joined May 2016)

Former Members

 * Shirakawa Kanon (白川花音; ) (Founding member; graduated April 2013)
 * Kaneko Yui (金子ゆい; ) (Founding member; graduated May 2013)
 * Watanabe Arina (渡辺アリナ; ) (Founding member; withdrew August 2013)
 * Suzuki Noa (鈴木希空; ) (Founding member; graduated May 26, 2015)
 * Arai Fumika (新井郁花; ) (Founding member; graduated July 2016)
 * Aso Tomoyo (麻生智世; ) (Founding member; graduated January 27, 2017)
 * Kawasaki Serina (川崎芹奈; ) (Founding member; graduated January 27, 2017)
 * Hirose Miyuu (広瀬光悠; ) (Founding member; graduated January 27, 2017)

Albums

 * 1) [2016.06.14] Miracle 4U (ミラクル4U)

Indies

 * 1) [2012.07.14] Seigi no Mikata (正義の味方; Hero of Justice)
 * 2) [2012.10.18] Tenkyu! (てんきゅ！; Spherical Ball!)
 * 3) [2013.10.02] Ultra Ouenka (ウルトラ応援歌; Ultra Cheering Song)
 * 4) [2013.12.20] Kirakira Pikapika Rinrinrin (キラキラピカピカリンリンリン; Glitter Shiny Ring Ring Ring)
 * 5) [2014.03.12] 888
 * 6) [2014.09.23] Kimi! Hero ni Natte (君！ヒーローになって; You! Become a Hero)

Major

 * 1) [2015.03.18] No.1 / Mugamuchuu (NO.1 / 無我夢中; NO.1 / Selfish)
 * 2) [2016.12.21] Ano Oka no Ue Made ~Kirari Namida Koete~ (あの丘の上まで 〜キラリ涙超えて〜; ''To the Top of the Hill ~Beyond the Glittering Tears~)