1girl, alternate_costume, animal_ears, black_hair, blush, breasts, covering_crotch, covering_privates, gloves, hair_ornament, hairclip, horse_ears, horse_girl, horse_tail, looking_at_viewer, medium_breasts, mejiro_dober_(umamusume), nakahira_guy, open_mouth, pantyhose, playboy_bunny, purple_eyes, ribbon, solo, tail, umamusume, white_background