Demonkingtanjiro Stories

We were happy, we thought we had defeated Muzan. I was ready to spend the rest of my life with you Tanjiro. How could someone as kind as you become a monster? It's just...

From birth Izuku was always different from his twin sister Izumi. His whole family thought him deaf because he had never said a word and unlike any of his true family he...

(note this is my first story and there might be grammar mistakes) this is a ship story and a AU so there will be things in this story that wouldnt be possible in the org...

Basically What happens is that Tanjiro becomes a demon and kills everyone then he is sad and wishes he could restart and the gods said "Yes your wish may come true...

Tanjiro was born with four demon slayer mark on his forehead and has the demon king eyes and Tanjiro already turned people into demons and Tanjiro decided to pretend to...

My swap au for demon slayer. Thank my cousin for me posting this, cause her interest made me think someone else might enjoy this. What would happen if the demon king Muz...

This is a fanfic I've decided to make of boredom. Fun fact: anime characters are fictional characters, and can be altered to fit any circumstance. I will not deal with h...

...ᴵ ᵃᵐ ʰⁱˢ ᵒᵗʰᵉʳ ʰᵃˡᶠ... ʰⁱˢ ᵈᵉᵐᵒⁿ ˢⁱᵈᵉ.. I know this description sucks but just read it, it's good!! >~< 𝙳𝚒𝚜𝚌𝚕𝚊𝚒𝚖𝚎𝚛!!! I don't own any characters they...

Male reader Demon Tanjiro Douma and Tanjiro are in a relationship and had been thinking about adding another person to it. You became a demon slayer at 14 and a hashira...

kanoa tsyuri a hashira who owes the demon king her life (upermoon nezuko and demon king tanjiro)but then the kings comes up with another deal marry his sister will she a...

As the final battle curtains and the Demon King Muzan finally passes on, the Demon Slayers realize they have celebrated too soon when someone else inherits the Will of M...

Summary: Zenitsu was on a mission to slay a demon. But what will happen if the demon is none other than Demon King Tanjiro? Will Tanjiro kill and eat Zenitsu? Or will Ta...

Following the events of the official manga. Tanjiro transforms into the demon king and as follows, Kanao was suppose to inject him with the cure but what happens if she...

What would happen if the pillars would kill nezuko that day,what would happened if tanjiro gained the memories of his ancestors after an emotional break down.....what wo...

-well as you all know in the previous season that tanjiro had became the demon king and the strongest demon slayer.....but what will happen to him.......a new enemy is a...

KNY opposite. The opposite Hashiras, uppermoons(+ Lowermoons but they won't be included much because I wont bother), and demon slayers (AND they will all keep their same...

After the battle at the Infinity Castle and the death of Muzan, the slayers faced an even bigger problem: When one of their own became the new demon king, able to withst...

In the aftermath of the climactic battle against Muzan Kibutsuji, the Demon Slayer Corps mourns their fallen hero, Tanjiro Kamado, who has tragically transformed into a...

HELLOOOOOO! A short summary of the the first chapter! Nezuko and Tanjiro at the age of 12(Tanjiro) and 11(Nezuko) they found a type of thing that could turn them into de...

After the final battle, Tanjiro became the king of demons. Kanao manages to turn him back into a human. But, do you ever wonder, "What if Kanao didn't succeed? What...