Rule 34 Dev - 2019 animal_genitalia animal_penis balls bodily_fluids canid canine canine_penis canis domestic_dog duo erection female female_penetrated feral fur genital_fluids german_shepherd hair heart herding_dog knot male male_penetrating mammal nipples nude open_mouth pastoral_dog patrikthedog penetration penis sex straight vaginal_penetration|3856560560