1girl, animal_ears, armpits, arms_up, black_hair, blurry, blurry_background, blush, breasts, cleavage, hair_ornament, highres, horse_ears, horse_girl, horse_tail, kitasan_black_(umamusume), kouhaku_nawa, looking_at_viewer, open_mouth, red_eyes, rope, shimenawa, sodemaru_unagi, solo, tail, thighhighs, twitter_username, umamusume, umapyoi_densetsu