Kaigaku (Kimetsu no Yaiba)/Reader FanFiction

Monstober 2025

Monstober 2025

F/F
F/M
Multi
Other
G
Updated
11.04.2025
Fandom
鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime) 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
Characters
Shinazugawa Sanemi/Reader, Tomioka Giyuu, Kanroji Mitsuri, Kibutsuji Muzan, Kokushibou | Tsugikuni Michikatsu, Douma (Kimetsu no Yaiba), Daki | Ume (Kimetsu no Yaiba), Tsugikuni Yoriichi/Reader, Shinazugawa Genya/Reader, Kanroji Mitsuri/Reader, Kaigaku (Kimetsu no Yaiba)/Reader, Aizetsu (Kimetsu no Yaiba)/Reader,
Decided to do another monster filled month because why not? Also it's just regular monsters this time. I'm gonna try to do different monsters from what I did last year. So enjoy!
Yantober

Yantober

F/F
F/M
Multi
Other
G
Updated
11.04.2025
Fandom
鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime) 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
Characters
Shinazugawa Sanemi/Reader, Kanroji Mitsuri, Tsugikuni Yoriichi/Reader, Shinazugawa Genya/Reader, Kanroji Mitsuri/Reader, Kaigaku (Kimetsu no Yaiba)/Reader, Aizetsu (Kimetsu no Yaiba)/Reader, Iguro Obanai/Reader, Tsugikuni Yoriichi, Aizetsu (Kimetsu no Yaiba), Shinazugawa Genya, Shinazugawa Sanemi,
A lot of these will be Yandere regardless and will be both platonic and romantic. Each week will also have a different theme attached below.
Mermay Madness

Mermay Madness

F/F
F/M
Multi
Other
G
Updated
11.04.2025
Fandom
鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime) 鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga)
Characters
Shinazugawa Sanemi/Reader, Tomioka Giyuu, Kanroji Mitsuri, Kochou Shinobu, Kibutsuji Muzan, Kokushibou | Tsugikuni Michikatsu, Douma (Kimetsu no Yaiba), Nakime (Kimetsu no Yaiba), Tsugikuni Yoriichi/Reader, Kanroji Mitsuri/Reader, Kaigaku (Kimetsu no Yaiba)/Reader, Aizetsu (Kimetsu no Yaiba)/Reader,
Kny mermay. That's literally it. The name of the type of mer they are is stated by the type of fish that's listed. For example Douma is a Fairy Wrasse mer.