I haven't come across such a 'Harry Potter' fanfic specifically. Fanfics usually explore a wide range of themes, but this one seems rather unusual and not in line with the general positive and magical themes often associated with 'Harry Potter' fan creations.
There might be some extremely niche or inappropriate fanfics out there that involve such a concept, but it's not a common or widely known type within the 'Harry Potter' fanfic community. Most fanfics focus on things like the characters' adventures, relationships, or further exploration of the magical world rather than this rather odd and potentially unappealing scenario.
I don't think this is a typical or popular topic for 'Harry Potter' fanfics. The 'Harry Potter' series is known for its themes of friendship, courage, and magic. Fanfics usually build on these elements or expand the story in more positive and engaging ways, rather than including something like this which goes against the general tone of the original work.
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