FURVERT!

anal anthro anthro_on_anthro blue_body blue_fur blue_skin bodily_fluids catseye84 cum cum_splatter duo echidna erection eulipotyphlan fur genital_fluids genitals gradient_background green_eyes hedgehog knuckles_the_echidna looking_back male male/male male_penetrated male_penetrating male_penetrating_male mammal moan monotreme one_eye_closed open_mouth orgasm penetration penis purple_eyes red_body red_skin sega sex simple_background sonic_the_hedgehog sonic_the_hedgehog_(series)tail vein