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1. Crossing the Line by the_picturesque_town

   Fandoms: 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime & Manga)  

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

   17 Mar 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Shinazugawa Sanemi/Tomioka Giyuu
   • Shinazugawa Sanemi
   • Tomioka Giyuu
   • Alpha/Beta/Omega Dynamics
   • Top Shinazugawa Sanemi
   • Bottom Tomioka Giyuu
   • Marriage of Convenience
   • Alpha Shinazugawa Sanemi
   • Omega Tomioka Giyuu
   • Best Friends to Lovers

   Summary

   He wanted Sanemi.

   Just thinking the name made a warm, nervous knot tighten in Giyuu’s stomach. He could face a blank canvas or a room full of critics without blinking, but the idea of looking his best friend in the eye and asking this? It made his hands shake. It was the kind of question that could give Giyuu everything he ever wanted or permanently shatter the most important relationship he had.

   OR Marriage for convenience, Sanegiyuu, wherein Giyuu asks if Sanemi wanted to be the father of his pups.

   Language:

   English

   Words:

   14,956

   Chapters:

   3/?

   Comments:

   100

   Kudos:

   193

   Bookmarks:

   27

   Hits:

   1,504