Rule 34 Dev - 2020 4_toes abs anal animal_genitalia animal_penis anthro anthro_on_anthro anthro_penetrated anthro_penetrating anthro_penetrating_anthro balls bfw big_muscles black_body black_claws black_fur black_nose black_penis canid canine canine_penis canis claws closed_eyes digitigrade duo erection fur genitals grey_body grey_fur hi_res hoot knot male male/male male_penetrated male_penetrating male_penetrating_male mammal multitoned_fur muscular muscular_male open_mouth pawpads pecs penetration penis piledriver_position pink_penis sex simple_background thick_penis toes vein veiny_penis white_background white_body white_fur wolf yellow_eyes|3994509720