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1. The Fuck Around And Find Out Guide For Marriage by redroseworks

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

   • Explicit
   • No Archive Warnings Apply
   • F/F, F/M, Gen, M/M, Multi, Other
   • Work in Progress

   21 Sep 2026

   Tags

   • No Archive Warnings Apply
   • Shinazugawa Sanemi/Tomioka Giyuu
   • Iguro Obanai/Kanroji Mitsuri
   • Kanroji Mitsuri/Kochou Shinobu
   • Iguro Obanai/Shinazugawa Sanemi
   • Iguro Obanai/Kanroji Mitsuri/Kochou Shinobu
   • Shinazugawa Sanemi
   • Tomioka Giyuu
   • Kanroji Mitsuri
   • Kochou Shinobu
   • Iguro Obanai
   • Original Child Character(s)
   • Most demon slayer characters will be in this
   • Alpha/Beta/Omega Dynamics
   • Alpha Kanroji Mitsuri
   • Beta Iguro Obanai
   • Omega Kochou Shinobu
   • Alpha Shinazugawa Sanemi
   • Alpha Tomioka Giyuu
   • Mating Bites
   • Pack Dynamics
   • Drunk Sex
   • Mutual Pining
   • Miscommunication
   • Minor Character Death
   • Implied/Referenced Eating Disorders
   • Pregnancy Scares
   • Accidental Mating

   Summary

   When Sanemi and Giyuu end up mating during a drunk hook up in Vegas, it leads to complications with Sanemi's relationship with his partner; Obanai. Sanemi

   On that same trip Mitsuri confesses her feelings to Shinobu, who is unsure if she can handle a relationship with Mitsuri given that she's married to Obanai.

   Obanai and Mitsuri are happily married with a sweet daughter. They just want to be there for the people they care about. And maybe start a pack with them.

   Language:

   English

   Words:

   4,778

   Chapters:

   3/?

   Comments:

   6

   Kudos:

   44

   Hits:

   297