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1. The Vendetta of Severus Snape by Quifquaf

   Fandoms: Harry Potter - J. K. Rowling  

   • Explicit
   • Underage Sex
   • M/M
   • Work in Progress

   17 Feb 2026

   Tags

   • Underage Sex
   • Regulus Black/Severus Snape
   • Severus Snape
   • Regulus Black
   • Sirius Black
   • James Potter
   • Lily Evans Potter
   • Class Differences
   • Pureblood Culture (Harry Potter)
   • Mild Angst
   • Mildly Dubious Consent
   • Height Differences
   • Severus Snape wants revenge
   • Young Severus Snape
   • Marauders Era (Harry Potter)
   • Probably Unrequited Snily
   • James Potter is very canon which might piss people off
   • Probably Unrequited Prongsfoot
   • Revenge
   • Revenge Sex
   • technically
   • First Time Blow Jobs
   • False Pretenses
   • Plot
   • Fake/Pretend Relationship

   Summary

   Marauders Era Severus Snape suspects that Sirius has a very unrequited crush on James, and decides that the best way to get under his skin is by seducing Sirius’ little brother.

   Set during Snape's seventh year, and Regulus' sixth.

   Language:

   English

   Words:

   7,777

   Chapters:

   2/?

   Comments:

   24

   Kudos:

   40

   Bookmarks:

   3

   Hits:

   626