anal animal_genitalia animal_penis anthro balls big_penis blush bodily_fluids canine_genitalia canine_penis duo ear_piercing genitals imminent_sex knot male male/male muscular muscular_anthro muscular_male pecs penis piercing questionable_consent size_difference tears ulvskvitt canid canine canis domestic_dog mammal wolf absurd_res hi_res
He won't let me study!