1girl, ahoge, animal_ears, armpits, arms_up, black_hair, breasts, cleavage, detached_sleeves, hair_ornament, horse_ears, horse_girl, kitasan_black_(umamusume), kouhaku_nawa, kouzuki_hajime, looking_at_viewer, medium_breasts, multicolored_hair, open_mouth, red_eyes, rope, shimenawa, simple_background, solo, streaked_hair, umamusume, upper_body, white_background, white_hair