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1. How to date your roommate by Poser Pigeon (Ctenophore)

   Fandoms: Harry Potter - J. K. Rowling  

   • Explicit
   • No Archive Warnings Apply
   • M/M
   • Work in Progress

   13 Mar 2026

   Tags

   • No Archive Warnings Apply
   • Regulus Black/James Potter
   • Regulus Black
   • James Potter
   • Sirius Black
   • Remus Lupin
   • Marlene McKinnon
   • Lily Evans Potter
   • Roommates
   • Alternate Universe - Roommates/Housemates
   • Roommates to Lovers
   • Explicit Sexual Content
   • Teasing
   • Regulus Black is a Little Shit
   • James Potter Has a Crush on Regulus Black
   • Flirting
   • Smut
   • Fluff and Smut
   • Fluff
   • Domestic Fluff
   • Trans Regulus Black
   • Trans Character
   • Sexual Tension
   • Thigh Riding
   • Vaginal Sex
   • Riding
   • Sex

   Summary

   If Regulus had blinked he would have missed it. But as it was, Regulus notices James’ eyes dart down to the sliver of skin that Regulus was showing.

   Oh?

   Regulus stretches longer, pressing his chest up higher and the shirt lifts higher, exposing more skin.

   Again, James’s eyes dart down. This time, he licks his lips.

   Oh, this would be fun.

    

   OR

   Jegulus Roommates AU! Regulus needs a place to live, and James has an extra bedroom in his apartment. Naturally, things escalate from there.

   Language:

   English

   Words:

   10,079

   Chapters:

   4/5

   Comments:

   7

   Kudos:

   94

   Bookmarks:

   16

   Hits:

   1,856