rule 34 abstract background anal anal sex animal genitalia animal penis anthro anus balls bedroom eyes belly blue body bodily fluids bondage bondage border bound canid canine canine penis chest tuft claws clothing duo fur genitals girly grey border half erect hands behind head hi res inner ear fluff interspecies leg grab leg markings looking at another male malemale mammal maned wolf markings musk narrowed eyes neon woof nude pawpads paws penetration penis perineum purple belly seductive septer sex sex swing sheath slim sniffing socks marking spread legs spreading striped markings striped tail stripes suspension tail markings thigh grab tuft underwear underwear on head underwear sniffing unusual coloring ursid ursine white belly yellow body 5797815