FURVERT!

anthro balls bodily_fluids clothing duo echidna erection eulipotyphlan eyes_closed footwear foreplay foreskin genital_fluids genitals hedgehog humanoid_genitalia humanoid_penis knuckles_the_echidna kuronatsu male male/male mammal monotreme on_top penis power_bottom precum sega shadow_the_hedgehog shoes sonic_the_hedgehog_(series)teasing