The Big ImageBoard (TBIB) - 16:9 2019 3d (artwork) 3d animation ambiguous gender ambiguous penetrated ambiguous penetration animated black body black fur canid canine canis digital media (artwork) domestic dog duo feral feral on feral feral penetrated feral penetrating feral penetrating feral fluffy fur grey body grey fur larger male lying male male/ambiguous male penetrating male penetrating ambiguous mammal missionary position multicolored body multicolored fur nude on back penetration quadruped sex size difference smaller ambiguous trioami260 two tone body two tone fur wolf