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1. Public Bookmark *

   twenty-one twenty-one by tomiawka

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

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

   23 Jun 2025

   Tags

   • No Archive Warnings Apply
   • Shinazugawa Sanemi/Tomioka Giyuu
   • Minor or Background Relationship(s)
   • Shinazugawa Sanemi
   • Tomioka Giyuu
   • Shinazugawa Genya
   • Kochou Kanae
   • Kochou Shinobu
   • Iguro Obanai
   • Kanroji Mitsuri
   • Rengoku Kyoujurou
   • and others! - Character
   • Twenty Five Twenty One AU
   • Alternate Universe - Modern Setting
   • Alternate Universe - College/University
   • Rivals to Friends to Lovers
   • Fluff
   • Angst
   • Hurt/Comfort
   • Slow Burn
   • Rivals to Lovers
   • Online Friendship
   • Alternate Universe - Sports
   • Other Additional Tags to Be Added
   • the "fuck that guy" to "i wanna fuck that guy" pipeline is real
   • sorry that sanemi's astronomically pathetic here i only know how to write pathetic men
   • Eventual Smut
   • Roommates
   • honestly rivals to homoerotic codependent friends slash rivals to lovers is more accurate
   • Mutual Pining
   • its mutual except they didnt know it lol
   • Yearning
   • Explicit Sexual Content
   • set in the late 2000s
   • so much Yearning its almost painful to write
   • Explicit Language
   • gratuitous use of anaphora throughout everything
   • Minor Character Death

   Summary

   This was Tomioka Giyuu, the prodigy and world champion, the youngest ever to win gold at the Olympics in all of fencing history.

   The bane of Sanemi’s existence. The pinnacle of his years. His dearly despised, most devotedly beloathed.

   And Shinazugawa Sanemi stood as his rival.

   (A Twenty Five Twenty One AU)

   [Translation into Russian now available!]
   [Translation into Bahasa Indonesia now available!]
   [Translation into Chinese now available!]

   Language:

   English

   Words:

   239,846

   Chapters:

   19/21

   Comments:

   693

   Kudos:

   1,640

   Bookmarks:

   325

   Hits:

   44,999

   Bookmarked by Onebottleleft

   08 Feb 2026

2. Public Bookmark *

   不如我們去結婚，共度你我的人生 by Yaholo

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

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

   21 Aug 2026

   Tags

   • Creator Chose Not To Use Archive Warnings
   • 實義
   • Shinazugawa Sanemi/Tomioka Giyuu
   • Shinazugawa Sanemi
   • Tomioka Giyuu
   • Uzui Tengen
   • Rengoku Kyoujurou
   • Iguro Obanai
   • Tomioka Tsutako
   • Shinazugawa Genya
   • Shinazugawa Family (Kimetsu no Yaiba)
   • Kumeno Masachika
   • 不死川實彌
   • 富岡義勇
   • Kimetsu Academy
   • 鬼滅學園 - Freeform

   Summary

   鬼滅學園戀愛喜劇
   請先閱讀Part 1、2~~
   默認有前季副CP

   Series

   • Part 3 of 實義結婚，快樂一生

   Language:

   中文-普通话 國語

   Words:

   422,026

   Chapters:

   153/?

   Comments:

   7,208

   Kudos:

   3,061

   Bookmarks:

   233

   Hits:

   118,828

   Bookmarked by Onebottleleft

   24 Jan 2026