rule 34 69 position anatomically correct anatomically correct genitalia animal genitalia animal penis anthro anus ass balls big balls big knot black body black fur blue body blue fur canid canine canine penis canis closed eyes duo fellatio fur genitals green body green fur hi res holding butt knot male malemale mammal on top on top of oral penile penis sex unknown artist wade black were werecanid werecanine werewolf white body white fur wolf 6433650