FURVERT!

4_toes alpha_channel animal_genitalia animal_penis anus backsack balls black_pawpads blue_penis bodily_fluids butt canid canine canine_genitalia canine_penis canis colesense cum cum_inside domestic_dog duo erection feet feral genital_fluids genitals hi_res hindpaw knot male male/male mammal pawpads paws penis red_pawpads simple_background toes tongue tongue_out transparent_background