Rule 34 Dev - 1girl animal_ears artist_name bike_shorts black_bike_shorts blue_eyes brown_hair chi_(luckyeric320) full_body grey_background hair_ribbon highres horse_ears horse_tail midriff multicolored_hair ponytail ribbon signature sports_bra streaked_hair tail tokai_teio_(umamusume) top-down_bottom-up umamusume|17534272626