Fics like The XXX-Gene

Summary: In which a young man's mutation opens his eyes to a whole new world of possibilities. He can do anything if he sets his mind to it... and has enough sex first of course. But then... is there really ever such a thing as 'enough' sex? Completed as of 7/26/2026 Links to my profiles on other websites can be found in the Notes at the end of the chapters.

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