Koubaibu



 is a sub-unit of Sakura Gakuin.

Current Members

 * Shirai Saki (White)
 * Yoshida Soyoka (Pink)

Former Members

 * Notsu Yunano (Pink)

OriginalSongs

 * Piece de Check! (ピース de Check !) (Sakura Gakuin 2014 Nendo ~Kimi ni Todoke~)
 * Piece de Check! -2015- (ピース de Check ! -2015-) (Sakura Gakuin 2015 Nendo ~Kirameki no Kakera~)