The Big ImageBoard (TBIB) - 2019 4 toes absurd res anal anal penetration animal genitalia animal penis anthro anthro on anthro anthro penetrated anthro penetrating anthro penetrating anthro balls bareback bed big balls blue eyes burk (benzo) canid canine canine penis canis claws college countershading detailed background digital media (artwork) digitigrade domestic dog doriangolovka dorm duo felid fingers fur furniture genitals german shepherd green eyes headlock herding dog hi res interspecies karnal knot lap ride leg markings male male/male male penetrated male penetrating male penetrating male mammal markings multicolored body multicolored fur muscular nude one eye closed pantherine pastoral dog pawpads paws penetration penile penile penetration penis school sex sitting size difference socks (marking) striped body striped fur stripes tan countershading tiger toe claws toes tongue tongue out white countershading