Rule 34 Dev - 3:4 against_natural_surface against_rock against_surface anal anal_sex animal_genitalia animal_penis anthro ass bodily_fluids butt_grab canid canine canine_genitalia canine_penis canis cave cum cum_in_ass cum_inside cum_on_butt cum_pool detailed_background dominant dominant_male duo fangs from_behind_position genital_fluids genitals grey_body hand_on_butt hi_res knot leaking_cum lying male male/male mammal muscular muscular_male patto penetration penis raised_tail red_body red_sclera rock sex size_difference smile standing tail teeth text tuft url white_body wolf|11822689480