Rule 34 Dev - abdominal_bulge abs anal anal_knotting anal_penetration animal_genitalia animal_penis anthro balls biceps big_dom_small_sub big_penis black_body black_fur blush bodily_fluids canine_genitalia canine_penis cowgirl_position cum dominant duo erection fangs feathered_wings feathers from_front_position fur genital_fluids genitals knot knot_bulge knotting larger_male licking male male/male male_on_bottom male_on_top male_penetrated male_penetrating male_penetrating_male muscular nipples nude on_bottom on_top open_mouth pecs penetration penis penis_shaped_bulge sex sheath size_difference smaller_male straddling sucking teeth tongue tongue_out vein wings theneonfox darkwingo canid canine canis fox mammal wolf|1816431470