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1. The Lion's Affair by wolfstarchild_butsnake

   Fandoms: Harry Potter - J. K. Rowling  

   • Explicit
   • No Archive Warnings Apply
   • M/M
   • Complete Work

   01 Oct 2025

   Tags

   • No Archive Warnings Apply
   • Regulus Black/James Potter
   • Sirius Black/Remus Lupin
   • Regulus Black
   • James Potter
   • Sirius Black
   • Remus Lupin
   • Alice Longbottom
   • Frank Longbottom
   • Harry Potter
   • Neville Longbottom
   • Rabastan Lestrange
   • Lily Evans Potter
   • Jegulus
   • Not Canon Compliant
   • Secret Relationship
   • Infidelity
   • Extramarital Affairs
   • James Potter Cheats
   • Regulus Black is a Little Shit
   • Lily Evans is Career-Focused

   Summary

   James Potter is married, but temptation comes in the form of Regulus Black. Between late nights, sharp words, and dangerous longing, boundaries blur—and choices will have consequences.

   Language:

   English

   Words:

   25,491

   Chapters:

   1/1

   Comments:

   11

   Kudos:

   212

   Bookmarks:

   40

   Hits:

   3,056