ruki matsui, the idolmaster cinderella girls u149, the idolmaster series, multiple girls, matoba risa, tachibana arisu, sakurai momoka, yuuki haru, long hair, blonde hair, twintails, from behind, dress, bow, hair bow, brown hair, white dress, orange hair, short hair, 5girls, 6+girls, black hair, stage, ribbon, ryuzaki kaoru, shorts, short sleeves