1girl, bikini, bow, bracelet, flat_chest, hair_bow, hair_ornament, hairclip, idolmaster, idolmaster_cinderella_girls, jewelry, kotori_ryou, navel, one_eye_closed, one_side_up, open_mouth, orange_hair, ryuzaki_kaoru, short_hair, smile, solo, star_(symbol), star_hair_ornament, striped, striped_bikini, swimsuit, underwear, yellow_eyes