Rule 34 Dev - anal animal_genitalia animal_penis ass barbed_penis bound brick_wall brown_eyes brown_fur canid canine canine_penis canis collar conditional_dnp domestic_cat domestic_dog felid feline feline_penis felis feral fur furry_only grass green_eyes grey_fur hi_res knot knotting leopard looking_pleasured male mammal pantherine penis restrained restraints saliva sex smile tongue tongue_out xenoforge yaoi zoophilia|3526637944