dancing, performance, the idolmaster cinderella girls u149, the idolmaster series, multiple girls, sasaki chie, 6+girls, blonde hair, dress, tachibana arisu, black hair, short hair, ichihara nina, brown hair, long hair, twintails, sakurai momoka, bow, smile, brown eyes, hair bow, akagi miria, blue eyes, ryuzaki kaoru, hair ornament, hairband, stage, open mouth, gloves, bare shoulders, blue dress