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1. Don't Know What To Call This Feeling (That I Feel For You) by Sax246

   Fandoms: Harry Potter - J. K. Rowling  

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

   29 Jun 2026

   Tags

   • No Archive Warnings Apply
   • Sirius Black/Remus Lupin
   • Remus Lupin
   • Sirius Black
   • Dorcas Meadowes
   • Marlene McKinnon
   • Harry Potter
   • Sirius Black Raises Harry Potter
   • Remus Lupin Raises Teddy Lupin
   • Love at First Sight
   • Well basically love at first sight
   • Alternate Universe - Non-Magical
   • Alternate Universe - Modern Setting
   • James and Lily are dead
   • Fluff and Smut
   • Fluff
   • Smut
   • One Shot
   • Rimming
   • Fingering
   • Blow Jobs
   • Bottom Sirius Black
   • Bottom Remus Lupin
   • Top Sirius Black
   • Top Remus Lupin
   • Remus Lupin Uses a Cane
   • POV Sirius Black
   • Anal Sex
   • Morning Sex
   • Aftercare
   • Dinosaurs get mentioned a lot
   • Porn with Feelings
   • Porn with Plot

   Summary

   Sirius hasn't allowed himself to live since he lost his best friends and gained custody of their child. Luckily for him, Remus Lupin can give him exactly what he needs, and maybe some more.

   - Title is based on lyrics from "The Spark - Demo" by Louis Tomlinson

   Language:

   English

   Words:

   9,882

   Chapters:

   1/1

   Comments:

   15

   Kudos:

   153

   Bookmarks:

   21

   Hits:

   1,442