Rule 34 Dev - 1futa 2019 abs animal_genitalia animal_penis anthro balls big_balls big_breasts bodily_fluids breasts canid canine canis fully_sheathed furry futanari goo_creature gynomorph hi_res intersex licking licking_lips mammal metal metallic metallic_body muscular nipples nude open_mouth penis sheath silverfang_the_steel_wolf simple_background sketch solo solo_futa tongue tongue_out white_background wolf zerospanda|3920682928