Rule 34 Dev - 1girl animal_ears as'maria black_dress brown_hair detached_sleeves dress ear_covers ear_ornament gentildonna_(umamusume) heart-shaped_ornament heart_ear_ornament horse_ears horse_girl horse_tail looking_at_viewer metal_ball red_background red_dress simple_background smile solo taiko_no_tatsujin tail umamusume wada_don|23729789187