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1. A Chainsaw In Hogwarts by SunTsuOfWu

   Fandoms: Chainsaw Man (Manga), Chainsaw Man (Anime), Harry Potter - J. K. Rowling  

   • Mature
   • No Archive Warnings Apply
   • Gen, Multi
   • Work in Progress

   06 Mar 2026

   Tags

   • No Archive Warnings Apply
   • Denji (Chainsaw Man)
   • Nayuta (Chainsaw Man)
   • Quanxi (Chainsaw Man)
   • Kishibe (Chainsaw Man)
   • Lily Evans Potter
   • Makima (Chainsaw Man)
   • Hayakawa Aki
   • Power (Chainsaw Man)
   • Mitaka Asa
   • Reze (Chainsaw Man)
   • Yoru | War Devil (Chainsaw Man)
   • Crossover
   • Action/Adventure
   • Hurt/Comfort
   • Denji has PTSD - Post-Traumatic Stress Disorder (Chainsaw Man)
   • Denji Needs a Hug (Chainsaw Man)
   • Soft Quanxi (Chainsaw Man)
   • Alternate Universe
   • Harry Potter is Not the Boy-Who-Lived
   • Boy-Who-Lived Neville Longbottom
   • Wish Fulfillment

   Summary

   Denji Kishibe is certain of a few things: 1. His family is not the most conventional. 2. His twin sister Nayuta is both his best friend and his worst enemy. 3. Denji and Nayuta had weird things happen around them. 4. Denji had weird dreams that felt more like memories.

   Then, after a fateful cat accident, Denji has a fifth thing he is certain of: Pochita's still with him.

   Then, after a woman with a Scottish burr wearing a witch’s hat and robes comes with a pair of letters for Denji and Nayuta, he has a sixth: “Denji, yer’ a wizard.”

   Or, the Harry Potter x Chainsaw Man crossover no one asked for.

   Language:

   English

   Words:

   14,655

   Chapters:

   5/?

   Comments:

   8

   Kudos:

   25

   Bookmarks:

   5

   Hits:

   612