Rule 34 Dev - 1girl absurdres alternate_costume animal_ears blue_eyes breasts brown_hair collarbone hair_ornament high_ponytail highres horse_ears horse_girl horse_tail long_hair looking_at_viewer open_mouth ponytail simple_background sky_wing12 small_breasts solo speech_bubble swimsuit tail tokai_teio_(umamusume) umamusume|19344766077