>>78248102If you want magical STDs or whacky disease allegories in general, check medieval literature. There's one where a penis detaches itself from its owner and fucks a bunch of women while he's left to a life of dickless misery and another where black boils appear on your skin and bust open into thousands of tiny spiders that devoured the victim from the inside and go out to lay their eggs in new hosts.
And people think guro is something new or shocking.