FURVERT!

abs alternate_color angry angry_sex anthro balls black_body black_fur black_nose bodily_fluids brown_body brown_skin chest_tuft clothing cross-popping_vein dark_body dark_skin darkblue duo echidna eulipotyphlan frottage fur genitals gloves handwear hedgehog hi_res knuckles_the_echidna male male/male mammal masturbation monotreme narrowed_eyes open_mouth penile penile_masturbation penis penises_touching red_body red_eyes red_fur sega sex shadow_the_hedgehog sharp_teeth sonic_the_hedgehog_(series)sweat tan_body tan_skin teeth tuft vein white_body white_fur