Rule 34 Dev - against_natural_surface against_surface against_tree anal anal_knotting anal_penetration animal_genitalia animal_penis anus balls big_dom_small_sub bite blue_eyes bodily_fluids brown_body brown_fur canine_genitalia canine_penis claws cum cum_in_ass cum_inside dominant duo erection feral feral_on_feral feral_penetrated feral_penetrating feral_penetrating_feral fur genital_fluids genitals internal knotting male male/male male_penetrated male_penetrating male_penetrating_male penetration penis pink_anus plant precum red_body red_fur scruff_bite sex size_difference smaller_penetrated tree yellow_eyes iceshadow13 stomak canid canine canis domestic_dog german_shepherd herding_dog mammal pastoral_dog wolf hi_res|14821892505