ruki matsui, the idolmaster cinderella girls u149, the idolmaster series, multiple girls, blonde hair, houjou satoko, dress, stage, from behind, white dress, long hair, 6+girls, short hair, twintails, hairband, sakurai momoka, brown hair, black hair, bow, hair bow, matoba risa, ryuuguu rena, green dress, ribbon, holding hands, hair ribbon, facing away