The Big ImageBoard (TBIB) - anal anal penetration anthro anthro on anthro anthro penetrated anthro penetrating anthro penetrating anthro artist name back tuft barely visible genitalia barely visible penis black claws black hair black nose blue eyes bodily fluids brown body brown fur brown nose brown tail butt canid cheek tuft claws drooling duo ear piercing ear ring elbow tuft erection facial tuft fangs from behind position fur genitals grey body grey claws grey fur grey tail hair hi res looking pleasured lying male male/male male penetrated male penetrating male penetrating male mammal motion lines muscular muscular anthro muscular male narrowed eyes on front penetration penile penile penetration penis penis in ass piercing purple tongue rayliicious red body red fur red hair red penis red tail red tongue ring piercing saliva saliva on ground saliva on tongue sex simple background size difference tongue tongue out tuft white body white fur white tail