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1. Jealousy is a good look on you by bathsinger

   Fandoms: Harry Potter - J. K. Rowling  

   • Explicit
   • Creator Chose Not To Use Archive Warnings
   • M/M
   • Complete Work

   03 May 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Regulus Black/James Potter
   • Regulus Black
   • James Potter
   • Mulciber (Marauders Era)
   • Jealous James Potter
   • Smut
   • Plot What Plot/Porn Without Plot
   • Established Relationship
   • The Slug Club (Harry Potter)
   • Not Canon Compliant
   • I'm Bad At Tagging
   • No AI was used while writing this
   • cannot BELIEVE i have to tag that
   • Top James Potter
   • Bottom Regulus Black

   Summary

   James knew his boyfriend was enormously attractive. He was aware of his wit and how interesting and magnetic the boy was with his sharp features and hypnotising grey eyes. The green monster inside of him called jealousy has always screamed when people flirted with Regulus (who was always visibly uninterested, which still didn’t stop James from feeling like this, unfortunately), but this time it wasn’t even screaming: it was roaring.

   -

   OR: James has a shitty day, and loses it after seeing Mulciber being a little too friendly with Regulus at the Valentine’s Day Slug Club party.

   Language:

   English

   Words:

   3,267

   Chapters:

   1/1

   Comments:

   4

   Kudos:

   131

   Bookmarks:

   15

   Hits:

   1,970