FURVERT!

2003 anal anal_penetration animal_genitalia animal_penis big_penis duo equid equine equine_genitalia equine_penis erection feral feral_on_feral from_behind_position genitals hooves huge_penis klaus_doberman long_penis male male/male male_penetrated male_penetrating male_penetrating_male mammal nude penetration penis quadruped sex stripes tail zebra