The Big ImageBoard (TBIB) - 5 fingers anal anal penetration animal genitalia animal penis anthro anthro on anthro anthro penetrated anthro penetrating anthro penetrating anthro balls biped black body black claws black collar black ears black eyebrows black fur black nipples black nose black penis blue eyes brown balls brown body brown fur brown inner ear canid canine canine penis canis claws collar cross digital media (artwork) dobermann domestic dog duo erection eyebrows fingers fur genitals jewelry knot male male/male male penetrated male penetrating male penetrating male mammal necklace ninetht nipples penetration penis pinscher smile smirk teeth