1girl animal_ears brown_hair closed_mouth cropped_jacket cropped_legs from_behind highres horse_ears horse_girl horse_tail long_hair long_sleeves looking_at_viewer looking_back midriff one_eye_closed satomura_kyou short_shorts shorts simple_background solo tail tail_through_clothes tongue tongue_out tosen_jordan_(umamusume) twintails umamusume white_background wristband