Rule 34 Dev - anal anal_penetration animal_genitalia anthro balls big_dom_small_sub big_knot big_penis blue_body blue_eyes blue_fur bodily_fluids bouncing_balls bouncing_penis cum dominant duo erection flaccid from_behind_position fur genital_fluids genitals glans grey_body grey_fur huge_knot huge_penis hyper knot large_penetration larger_male machine male male/male male_penetrated male_penetrating male_penetrating_male nude penetration penis red_eyes robophilia sex sheath size_difference smaller_male thrusting washa spoons android canid canine canis domestic_dog mammal robot wolf animated flash no_sound|749000280