1girl, barefoot, black_eyes, black_hair, blue_one-piece_swimsuit, blush, flat_chest, foot_out_of_frame, hair_ornament, idolmaster, idolmaster_cinderella_girls, kawaseki, looking_at_viewer, one-piece_swimsuit, open_mouth, rabbit_hair_ornament, sasaki_chie, school_swimsuit, short_hair, short_twintails, simple_background, sketch, smile, solo, swimsuit, twintails, white_background