1girl, animal_ears, arm_up, armpits, bad_pixiv_id, belt, black_hair, blush, breasts, gloves, hair_ornament, hairclip, hand_on_own_chest, horse_ears, horse_girl, looking_at_viewer, medium_breasts, mejiro_dober_(umamusume), purple_eyes, ribbon, simple_background, sleeveless, solo, umamusume, white_background, zeatto