Rule 34 Dev - 1girl animal_ears blue_buruma blue_hair buruma commentary_request full_body gym_shirt gym_uniform horse_ears horse_girl horse_tail long_hair looking_at_viewer mejiro_ardan_(umamusume) osashimisan purple_eyes shirt shoes simple_background solo standing t-shirt tachi-e tail umamusume uwabaki white_background white_shirt|24753940848