Ubuyashiki Kagaya 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!
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.
Unnamed Memories...

Unnamed Memories...

F/F
Gen
M/M
Multi
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
Tomioka Giyuu, Demon Slayer Corps Hashira | Pillars, Kibutsuji Muzan, Douma (Kimetsu no Yaiba), Daki | Ume (Kimetsu no Yaiba), Nakime (Kimetsu no Yaiba), Aizetsu (Kimetsu no Yaiba), Kaigaku (Kimetsu no Yaiba), Gyutaro (Kimetsu no Yaiba), Enmu (Kimetsu no Yaiba), Ubuyashiki Kagaya, Kanroji Mitsuri/Kochou Shinobu,
Tags
Help I'm Bad At Tagging How Do I Tag KNY swap au Douma is a Little Shit (Kimetsu no Yaiba) they're all little shits
When Nezuko traveled with her demonic brother, her actions left behind ripples. Ripples that will stir up chaos.In the original world, the Corps found out a sinister truth that will shake them down to their Mizunotos.In the swapped world, the Corps s...
A Freak of Nature

A Freak of Nature

F/F
F/M
M/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
Original Characters, Tomioka Giyuu, Kochou Shinobu, Kibutsuji Muzan, Kokushibou | Tsugikuni Michikatsu, Douma (Kimetsu no Yaiba), Daki | Ume (Kimetsu no Yaiba), Kamado Nezuko, Aizetsu (Kimetsu no Yaiba), Shinazugawa Genya, Shinazugawa Sanemi, Uzui Tengen,
Tags
Fluff Angst Alternate Universe - Canon Divergence Magic Heavy Angst Original Character(s) Canon-Typical Violence Other Additional Tags to Be Added Blood and Gore Gore Eventual Romance Angst and Hurt/Comfort
The Demon Slayer Corps has kept one clear goal over the many centuries since its founding,Aniallate Muzan Kibutsuji and his demons to protect the innocent humans that these monsters pray upon. But it seems that the demon king has once again done what...
Giyu or Ray..?

Giyu or Ray..?

F/F
F/M
Gen
M/M
Multi
Other
G
Updated
11.04.2025
Fandom
鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Manga) 約束のネバーランド | Yakusoku no Neverland | The Promised Neverland (Anime) 約束のネバーランド | Yakusoku no Neverland | The Promised Neverland (Manga)
Characters
Tomioka Giyuu, Demon Slayer Corps Hashira | Pillars, Norman/Ray (The Promised Neverland), Norman (The Promised Neverland), Ray (The Promised Neverland), Emma (The Promised Neverland), Ubuyashiki Kagaya, Kamado Tanjirou, Emma & Ray (The Promised Neverland), Emma & Norman & Ray (The Promised Neverland), Gilda (The Promised Neverland)
Tags
Suicidal Thoughts Fluff and Angst Tomioka Giyuu-centric Sad Tomioka Giyuu Bottom Tomioka Giyuu Hurt Tomioka Giyuu
The 2 sides of Fate

The 2 sides of Fate

F/F
M/M
Multi
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
Original Female Character(s), Tomioka Giyuu, Demon Slayer Corps Ensemble (Kimetsu no Yaiba), Kibutsuji Muzan, Kamado Nezuko, Kibutsuji Muzan/Kokushibou | Tsugikuni Michikatsu, Tsugikuni Yoriichi, Shinazugawa Genya, Shinazugawa Sanemi, Kaigaku (Kimetsu no Yaiba), Rengoku Kyoujurou, Tamayo (Kimetsu no Yaiba),
Tags
I Can't Believe I Wrote This I'm Bad At Tagging I'm Bad At Titles
Nezuko Kamado delivered the coal one evening for her family when her brother, Tanjiro sprained his ankle. Upon returning home, she discovered her whole family had been slaughtered, with Tanjiro as the only surviver. But he was a demon! Could she achi...
Love For The Full Moon

Love For The Full Moon

F/F
F/M
M/M
Multi
G
Updated
11.04.2025
Fandom
鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime)
Characters
Original Female Character(s), Tomioka Giyuu, Tomioka Tsutako, Demon Slayer Corps Hashira | Pillars, Demon Slayer Corps Ensemble (Kimetsu no Yaiba), Ubuyashiki Kagaya, Sabito (Kimetsu no Yaiba), Rengoku Kyoujurou/Tomioka Giyuu, Kamado Tanjirou/Tsuyuri Kanao, Iguro Obanai/Kanroji Mitsuri, Agatsuma Zenitsu/Kamado Nezuko, Tokitou Muichirou/Original Female Character,
Tags
Original Character(s) POV Original Character Tomioka Giyuu-centric Protective Tomioka Giyuu Sad Tomioka Giyuu Tomioka Giyuu Angst
The story starts with the disappearance of my cousin, so we try to find her. As I looked for her, I spotted a cave and went to it. However, I black out and woke up in the demon slayer as Giyuu Tomioka little sister.
KNY December Fics

KNY December Fics

F/F
F/M
M/M
Multi
G
Updated
12.04.2025
Fandom
鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime)
Characters
Original Characters, Tomioka Giyuu, Kochou Shinobu, Kibutsuji Muzan, Kokushibou | Tsugikuni Michikatsu, Douma (Kimetsu no Yaiba), Daki | Ume (Kimetsu no Yaiba), Nakime (Kimetsu no Yaiba), Kamado Nezuko, Shinazugawa Genya, Shinazugawa Sanemi, Kaigaku (Kimetsu no Yaiba),
Tags
Fluff Family Mutual Pining Pre-Canon Blood Unhealthy Relationships First Dates Modern AU Drunkenness Making Out Crushes Teacher-Student Relationship
Some fun, fluffy, and sweet december fics to bring some warmth, joy and laughter..and maybe more~
This cant be real, right?

This cant be real, right?

F/F
F/M
Multi
Other
G
Updated
12.04.2025
Fandom
鬼滅の刃 | Demon Slayer: Kimetsu no Yaiba (Anime) カクゴをきめて | Kakugo wo Kimete (Manga)
Characters
Shinazugawa Sanemi/Reader, Tomioka Giyuu, Kanroji Mitsuri, Kochou Shinobu, Kibutsuji Muzan, Kokushibou | Tsugikuni Michikatsu, Douma (Kimetsu no Yaiba), Kamado Nezuko/Reader, Kamado Nezuko, Shinazugawa Genya/Reader, Kanroji Mitsuri/Reader, Iguro Obanai/Reader,
Tags
((more tags will be added)) girl reader isekai reader transported reader slow burn fanfic modern reader uwa cliche
your just your normal and average teenage weeb girl, nothing to do at due to the lockdown of the 2020 covid-19 outbreak. you have just come to finish re-reading all the Manga's of some animes you have been keeping track on before the corona virus has...