1girl, ahoge, alternate_costume, animal_ears, breasts, collarbone, copano_rickey_(umamusume), double_bun, fang, hair_between_eyes, hair_bun, hands_on_own_hips, herohero_(higashi_no_dou), horse_ears, horse_tail, looking_at_viewer, medium_breasts, medium_hair, navel, old_school_swimsuit, one-piece_swimsuit, open_mouth, school_swimsuit, simple_background, solo, swimsuit, tail, umamusume, white_background