FURVERT!

5:4 anthro anthro_on_anthro black_body black_fur blush bodily_fluids crooked_tail cum duo echidna eulipotyphlan fellatio fur genital_fluids hedgehog knuckles_the_echidna low_res male male/male male_penetrated male_penetrating male_penetrating_male mammal monotreme oral penetration penile sega sex shadow_the_hedgehog sonic_the_hedgehog_(series)tail unknown_artist