FURVERT!

ambiguous_penetration anthro backsack balls blue_body blue_fur butt canid canine cream_the_rabbit double_penetration erection eulipotyphlan fox fur gangbang genitals group group_sex hedgehog hi_res knuckles_the_echidna male mammal miles_prower multi_tail multiple_insertions multiple_penetration nude open_mouth penetration penis piledriver_position quadruple_penetration reverse_piledriver_position sega sex shadow_the_hedgehog sonic_the_hedgehog sonic_the_hedgehog_(series)tail triple_penetration unknown_artist what