rule 34 alternate species anal anal fluids anal knotting anal orgasm anal sex animal genitalia animal penis anthro anthro on anthro anthro penetrated anthro penetrating anthro penetrating anthro anus ass ass up balls blue body bodily fluids canid canine canine penis canis closed eyes dripping duo ejaculation embarrassed erection fluffy fluffy tail fur genital fluids genitals girly green eyes grey body grey penis hand on leg heart hybrid kissing knot knotting legs up long ears long tail looking at another looking up lying male malemale male penetrated male penetrating mammal missionary position multicolored body nude on back orgasm orgasm face pattern background paws penetration penile penile penetration penis precum precum drip riska artist sex shaking shaking penis shivering simple background spread butt spread legs spreading striped body stripes sweat sweatdrop sweaty butt sweaty genitalia teeth trembling wolf yaoi 4503290