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• The Time Tanjirou Became a Demon by SaintedDemon

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

  • Teen And Up Audiences
  • Creator Chose Not To Use Archive Warnings
  • M/M
  • Work in Progress

  30 Sep 2025

  Tags

  • Creator Chose Not To Use Archive Warnings
  • Agatsuma Zenitsu/Kamado Tanjirou
  • Kamado Tanjirou/Rui
  • Agatsuma Zenitsu/Hashibira Inosuke
  • Sabito/Tomioka Giyuu
  • Douma/Enmu (Kimetsu no Yaiba)
  • Kamanue/Mukago (Kimetsu no Yaiba)
  • Agatsuma Zenitsu/Kaigaku
  • Agatsuma Zenitsu
  • Akaza | Hakuji (Kimetsu no Yaiba)
  • Douma (Kimetsu no Yaiba)
  • Enmu (Kimetsu no Yaiba)
  • Hashibira Inosuke
  • Kaigaku (Kimetsu no Yaiba)
  • Kamado Nezuko
  • Kamado Tanjirou
  • Kamanue (Kimetsu no Yaiba)
  • Kibutsuji Muzan
  • Makomo (Kimetsu no Yaiba)
  • Mukago (Kimetsu no Yaiba)
  • Rui (Kimetsu no Yaiba)
  • Sabito (Kimetsu no Yaiba)
  • Susamaru (Kimetsu no Yaiba)
  • Yahaba (Kimetsu no Yaiba)
  • Yushiro (Kimetsu no Yaiba)
  • Caretaker Makomo
  • Caretaker Sabito
  • Caretaker Zenitsu Agatsuma
  • Demon Care Facility
  • Demon Kamado Tanjirou
  • LGBTQ Themes
  • Modern AU

  Summary

  Looking back on his human life, Tanjirou knew he had taken it for granted. Now living in a Demon Care Facility, he has no choice but to live with other demons and be supervised by staff. There, Tanjirou befriends the demons and he determines his purpose as to why Muzan transformed him in the first place.

  Language:

  English

  Words:

  36,936

  Chapters:

  20/25

  Comments:

  2

  Kudos:

  15

  Bookmarks:

  3

  Hits:

  749