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1. How to Win a Bet in 90 Days by giyuliketomioka (dwaekki)

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

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

   06 Sep 2026

   Tags

   • No Archive Warnings Apply
   • Shinazugawa Sanemi/Tomioka Giyuu
   • Tomioka Giyuu
   • Shinazugawa Sanemi
   • Uzui Tengen
   • Tomioka Tsutako
   • Kochou Shinobu
   • Kanroji Mitsuri
   • Rengoku Kyoujurou
   • Himejima Gyoumei
   • Iguro Obanai
   • Tokitou Muichirou
   • Kamado Family (Kimetsu no Yaiba)
   • Shinazugawa Family (Kimetsu no Yaiba)
   • Alternate Universe - No Demons (Kimetsu no Yaiba)
   • Alternate Universe - College/University
   • Therapy
   • Fake/Pretend Relationship
   • Minor Shinazugawa Genya/Tokitou Muichirou

   Summary

   Tengen places a bag on a dare for any of his friends to complete: fool a couple’s therapist for three months. Sanemi steps up to the challenge immediately because he’ll do just about anything for some quick cash. Giyuu is only a half-willing participant, but he’ll do just about anything to become friends with Sanemi.

   — sanegiyuu weekend, day one, bet

   Series

   • Part 1 of magic & marriage & hockey, oh my!

   Language:

   English

   Words:

   17,365

   Chapters:

   4/15

   Collections:

   1

   Comments:

   17

   Kudos:

   72

   Bookmarks:

   14

   Hits:

   740