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1. That time the Weasley Twins invented Gender-Jumble Juice by JuliusDeRossi

   Fandoms: Harry Potter - J. K. Rowling  

   • Explicit
   • Underage Sex
   • F/F, F/M, Multi
   • Work in Progress

   18 Feb 2026

   Tags

   • Underage Sex
   • Anthony Goldstein/Harry Potter
   • Daphne Greengrass/Harry Potter
   • Hermione Granger/Harry Potter
   • Cho Chang/Roger Davies
   • Angelina Johnson/Harry Potter
   • Fred Weasley
   • George Weasley
   • Lee Jordan (Harry Potter)
   • Harry Potter
   • Angelina Johnson
   • Alicia Spinnet
   • Hermione Granger
   • Ron Weasley
   • Daphne Greengrass
   • Seamus Finnigan
   • Dean Thomas
   • Neville Longbottom
   • Draco Malfoy
   • Pansy Parkinson
   • Blaise Zabini
   • Theodore Nott
   • Dolores Umbridge
   • Minerva McGonagall
   • Porn With Plot
   • Explicit Sexual Content
   • Temporary Changes to Gender or Sex
   • Potions Accident
   • Like Polyjuice but better
   • Revolution of the wizarding world
   • Casual Sex
   • Smut
   • Shameless Smut
   • Group Sex
   • Crack Treated Seriously
   • Things are very different to canon
   • Vaginal Fingering
   • Kissing
   • Hagrid's Boobs

   Summary

   Hogwarts is suffocating under the tyranny of Dolores Umbridge. But in the shadows, Fred and George Weasley have brewed a revolution. A lab accident births the "Gender-Jumble Juice"—a potion that offers a complete, idealized biological transformation. It isn’t just a disguise; it’s an intoxicating escape.

   As the neon-pink craze sweeps the castle, Harry Potter steps out of his own skin and into the form of "Rose," discovering a hedonistic freedom he’s never known. Inhibitions vanish, rivalries blur into lust, and House lines dissolve. In a school demanding order, the ultimate rebellion is about to begin.

   Language:

   English

   Words:

   20,688

   Chapters:

   5/?

   Comments:

   11

   Kudos:

   65

   Bookmarks:

   30

   Hits:

   5,703