3girls, ^_^, ^o^, bad_pixiv_id, blunt_bangs, blush, bow, breasts, closed_eyes, dress, ggyoku, grin, hair_bow, ichihara_nina, idolmaster, idolmaster_cinderella_girls, looking_at_viewer, multiple_girls, outdoors, sasaki_chie, sleeveless, sleeveless_dress, small_breasts, smile, waving, yokoyama_chika