FURVERT!

a2 anal animal_genitalia animal_penis anthro anthro_on_feral anus balls bestiality biped bodily_fluids butt clothed clothing cum cum_dumpster cum_in_ass cum_inside cum_string equid equine equine_genitalia equine_penis erection eulipotyphlan feral genital_fluids genitals group half-erect hedgehog male male/male mammal penis precum sega sex size_difference sonic_the_hedgehog sonic_the_hedgehog_(series)