1:1 2020 animal_genitalia animal_penis balls big_balls big_penis bodily_fluids canine_genitalia canine_penis cum cum_on_penis eyes_closed feet feral fur genital_fluids genitals hi_res holding_penis huge_balls huge_penis hyper hyper_balls hyper_genitalia hyper_penis knot male mammal murid murine nsfrat penis pink_background pink_ears pink_feet pink_hands pink_nose pink_tail rat rodent simple_background smile solo tail white_body white_fur