Rule 34 Dev - 1girl animal_ears black_hair black_thighhighs breasts closed_eyes highres horse_ears horse_girl horse_tail kitasan_black_(umamusume) kumiyabe puffy_short_sleeves puffy_sleeves school_uniform shirt short_hair short_sleeves simple_background solo tail thighhighs umamusume white_background white_shirt|22904122527