1girl, animal_ears, bad_twitter_id, black_dress, black_hair, black_panties, cat_ear_hairband, cat_ears, cat_hair_ornament, cat_tail, dress, hair_ornament, idolmaster, idolmaster_cinderella_girls, looking_at_viewer, panties, ribbon, sasaki_chie, simple_background, smile, solo, tail, tail_ornament, tail_ribbon, tsurumai_kada, underwear