rule 34 2021 anal anal sex animal genitalia animal penis anthro balls biped black nose blue eyes blue penis bodily fluids book bookshelf bottomwear bottomwear down canid canine canine penis canis cheek tuft claws clothed clothing cum cum in ass cum inside cutaway digital media artwork domestic duo dusty dustwolf ejaculation erection facial tuft feet finger claws fingers fur furniture genital fluids genitals german shepherd green eyes hair hazakyaracely herding knot knotting library male malemale male penetrated male penetrating male penetrating male mammal mostly nude mostly nude male pants pants down partially clothed pastoral pecs penetration penile penile penetration penis raised clothing raised shirt raised topwear red hair sex shirt shirtless standing standing sex teeth tongue tongue out topwear tuft wolf xasyr 5558599