FURVERT!

after_anal anthro anus balls butt butt_grab buttplug equid equine equine_anus eyes_closed fur gaping gaping_anus genitals grey_balls hair hand_on_butt hi_res horse joonkorner male mammal noct_(noctilus)nude perineum plug_(sex_toy)presenting presenting_anus presenting_hindquarters puffy_anus rear_view sex_toy simple_background sitting smile solo spread_butt spreading white_background white_body white_fur white_hair