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1. A Matter of Science by monstersnuggler for ChemFreak

   Fandoms: Harry Potter - J. K. Rowling  

   • Explicit
   • Underage Sex
   • M/M
   • Complete Work

   24 Dec 2025

   Tags

   • Underage Sex
   • Harry Potter/Tom Riddle | Voldemort
   • Harry Potter/Voldemort
   • Harry Potter
   • Voldemort (Harry Potter)
   • PWP without Porn
   • Book 5: Harry Potter and the Order of the Phoenix
   • Underage Sex - Freeform
   • Naga Voldemort (Harry Potter)
   • Voldemort Has Two Penises (Harry Potter)
   • Harry is a freak
   • Anal Sex
   • Consensual Sex
   • dubcon if you squint and only at the end
   • And tbf Harry is too horny to realize
   • A fantasy can't hurt you!
   • It's not real!
   • Famous Last Words
   • hints of mpreg
   • This is just crack treated hornily

   Summary

   When Harry was dared to drink a potion that showed you your deepest fantasy, he didn’t really expect to see his sworn enemy. And especially not looking like… well. Like an actual terrifying monster. He also didn't expect to find it hot. But there's a first time for everything... right?

   Or

   Naga Voldemort decided to hunt Harry's psyche by showing up in his fantasies. It's okay, though! It's not real! Or is it...

   Language:

   English

   Words:

   4,409

   Chapters:

   1/1

   Collections:

   1

   Comments:

   13

   Kudos:

   324

   Bookmarks:

   39

   Hits:

   3,196