ruki matsui, the idolmaster cinderella girls u149, the idolmaster series, tachibana arisu, multiple girls, matoba risa, sakurai momoka, blonde hair, long hair, dress, twintails, from behind, brown hair, 5girls, white dress, black hair, hair bow, bow, yuuki haru, akagi miria, short hair, sasaki chie, shorts, short sleeves, ribbon