1girl, <, animal_ears, armpits, arms_up, belt, black_hair, blush, breasts, hair_ornament, hairclip, horse_ears, horse_girl, kaoru_(h8qm9), long_hair, looking_at_viewer, medium_breasts, mejiro_dober_(umamusume), ribbon, simple_background, sleeveless, solo, umamusume, white_background