Rule 34 Dev - anal anthro anus balls black_anus black_balls bodily_fluids brown_body brown_fur brown_mane duo equid equine feral fur gay genitals grass hi_res horse hyena larger_penetrated male male/male mammal mane penetration perineum pink_tongue plant puffy_anus rimming_male saliva size_difference tongue tongue_out vitor_swissidoldragon|13894006320