The Big ImageBoard (TBIB) - 2002 age difference anal anal penetration anthro anthro on anthro anthro penetrated anthro penetrating anthro penetrating anthro big dom small sub biped canid canine canis digital drawing (artwork) digital media (artwork) dominant dominant male duo erection eye contact father (lore) father and child (lore) father and son (lore) father penetrating son felid from behind position genitals hug incest (lore) larger male looking at another male male/male male penetrated male penetrating male penetrating male mammal monochrome muscular muscular anthro muscular male nightcat nude older male parent (lore) parent and child (lore) parent and son (lore) penetration penile penile penetration penis penis in ass pinned sex size difference sketch smaller male smaller penetrated son (lore) tail wolf younger male younger penetrated