rule 34 2022 abs anal anal fingering anthro anthro on anthro anthro penetrated anthro penetrating anthro penetrating anthro ass biped canid canine digital media artwork fingering furdo greyscale group hand on chest hi res idrysse3 larger male male malemale mammal mane monochrome muscular muscular anthro muscular male pecs penetration perineum size difference smaller male spread butt spreading trio were werecanid werecanine werewolf 6238888