Rule 34 Dev - !? 1girl 3: animal_ears asaraku ass black_hair black_skirt blue_background breasts ear_covers highres horse_ears horse_girl horse_tail long_hair long_sleeves looking_back medium_breasts pleated_skirt shirt skirt solo tail translation_request twintails two-tone_background umamusume vivlos_(umamusume) white_background white_shirt|24822264753