Adult Content Warning

This work could have adult content. If you continue, you have agreed that you are willing to see such content.

• Yes, Continue
• No, Go Back

If you accept cookies from our site and you choose "Yes, Continue", you will not be asked again during this session (that is, until you close your browser). If you log in you can store your preference and never be asked again.

1. It's been 50 years by DrownedMoth

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

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

   25 Dec 2025

   Tags

   • Creator Chose Not To Use Archive Warnings
   • Akaza | Hakuji/Kokushibou | Tsugikuni Michikatsu
   • Akaza | Hakuji (Kimetsu no Yaiba)
   • Kokushibou | Tsugikuni Michikatsu
   • Nakime (Kimetsu no Yaiba)
   • Kibutsuji Muzan
   • Daki | Ume (Kimetsu no Yaiba)
   • Douma (Kimetsu no Yaiba)
   • Hantengu (Kimetsu no Yaiba)
   • Bottom Akaza | Hakuji (Kimetsu no Yaiba)
   • Omega Akaza | Hakuji (Kimetsu no Yaiba)
   • Top Kokushibou | Tsugikuni Michikatsu
   • Protective Kokushibou | Tsugikuni Michikatsu
   • Alpha Kokushibou | Tsugikuni Michikatsu
   • Violence
   • Blood
   • Mental Anguish
   • Alpha/Omega
   • Alpha/Beta/Omega Dynamics
   • Omega Verse

   Summary

   Both end up in bed during mating season
   It turns out that this has unexpected consequences.

   Language:

   English

   Words:

   16,511

   Chapters:

   5/?

   Comments:

   33

   Kudos:

   166

   Bookmarks:

   19

   Hits:

   2,339