Rule 34 Dev - 1girl alternate_costume animal_ears blue_eyes breasts commentary_request full_body grey_hair hair_ornament highres horse_girl horse_tail looking_at_viewer one_eye_closed open_mouth simple_background sketchyou1 solo starting_future_(umamusume) tail thick_eyebrows thighhighs umamusume wonder_acute_(umamusume)|24261664167