A side-story to Heart of Fullmetal. Roy Mustang notices a common theme among himself and two boys he meets,

After being told that he can't be a hero by All Might, Izuku ends up in a state of depression. One night after a walk he bumps into a pale man who turns out to be the leader of the demons named Muzan. Izuku while fleeing from the demons is saved by the Hashira, who work in the shadows of the hero society. Now the powerful samurai will teach Izuku how to become a strong hero.

Tanjiro goes training in a lake and its mysteriously transported into a new world. A world that has devils, angels, and Fallen Angel. He will crashes with all kinds of other races and explore a new world, meet new friends and discover the truth about faith. Tanjiro will do what he can to protect his new friends. Also Crossover with Bungo Stray Dogs.

Hachiman and Yukino's love overcame every trial they faced and became stronger. For richer or poorer, no problem. In sickness or in health, don't even worry about it. Demon and Demon slayer, why not? They would find a way. Even if they had to struggle and writhe, a genuine love like theirs would beat the odds. They'd make sure of it

Muzan Kibutsuji was dead- dying at the hands of The Demon Slayers after warring with them for over 1000 Years. When he died, he knew full well that he was never going to reincarnate... or so he believed! After an untold amount of time in the void, a strange voice gave him a choice, remain in the void for the rest of time? Or... become reborn. He chose the latter.

The battle between demon slayers and demons has past since the Sengoku period. And in that battle cause many lives, by one man, a man who was known as Muzan,the demon king who live over a 1000 years, his power was so powerful that he can destroy the entire world. But someone was able to seal his destructed power away. And this man was the Sage of six path.

After centuries of defeating Muzan and traveling the world as a Demon, Tanjiro Kamado decides to live a steady life in New York, living his days in peace. The last thing he wasn't expecting was to see some espionage named Shield asking him if he wanted to join a certain initiative.

The choices we make, and the opportunities we take, dictate the life we lead. In a moment of adrenaline fueled panic and anger, he had made his choice, and now he had to live with the consequences of his actions for the rest of his life.

I have noticed a tragic lack of crossovers between Demon Slayer and the Tolkien universe. I decided it was time to fix that. This is the story of Kyojuro's adventures with the Company of Thorin Oakenshield following his death at the hands of Upper Moon Three. I did my best to venture beyond the canon a bit, so it's not just The Hobbit with Kyojuro. DaughterofHalt

Kokushibo wakes up after death in a strange dungeon with no idea how he got here, which is even stranger... He was no longer a demon. will our new hero be able to adapt to the new world? Will he be able to start his life over again?

Naruto ran and ran. The mobs called him demon; how about he shows them a real demon is. He'll leave and will be known not as Naruto, but as Akaza. Rated M for safety, some decisions are decided by random spinner. Is a crossover of Naruto and Demon slayer. Long chapters.

This crossover takes place after the Goku Black arc Dragon Ball Super and at the start of Kimetsu no Yaiba. Also it's an alternative Dragon Ball Super timeline part involving non-canon characters. Plus Dragon Ball Heroes is also involved. Story also available on Wattpad. Discontinued.

The creatures of Grimm terrorize the people of Remnant, the demons come along to make things worse. But the Huntsmen of the four main kingdoms and the Demon Slayers of the fifth kingdom, Japan, work together to vanquish their enemies. Centuries later, a Huntress in training and a new Demon Slayer, along with their comrades, must bring peace to Remnant once again. (Discontinued)

Kimetsu Academy received an invitation from one of the most elite school in Japan to join the inter-school festival there, and the invitation has something to do with a certain teacher and his not-so-really-good 'science project'. And Uzui-sensei is up to do something crazy again. Based on Kimetsu Gakuen AU with OHSHC Post-canon.

[DSMP x Kimetsu no Yaiba - No Pairings] - After breaking free from Pandora's vault, Technoblade and Dream plan to head back to the Greater Dream SMP, however, upon jumping through a nether portal that should've led them to the Greater SMP, they find themselves in an unknown forest. Where are they, how did they get there, and why is everyone calling Technoblade a Demon? (Rated T)

So,Fluffy,decided's,to,go,onto,adventure,one,day,and,leave's,her,Anime,house,once,she,was,in,her,world,but,when,she,meets,her,world,by,making,a,strange,wish,one,night,what,will,happen?

Kurosaki Masaki's mother came from the Kochō family, a slightly recent but no less skilled family in the Demon Slaying World, and Ichigo imitates and changes himself to be more like his mother after she died, but still every bit of a protector as he always is. This changes things... obviously. As always, it's the butterfly (Kurosaki) effect.

He left everything behind. Friends, family, riches. All of it was given up willingly for a selfish reason. Without his comrades, there was no longer a purpose for him. Yet through the hand of God, he finds himself in another world, one where he swears that he'll won't make the same mistake again. This is the story of A Modern Judas Iscariot given another chance to redeem himself.

—Ahí… hay un demonio ahí…— En el Japón del período Taisho, cuando se pone el sol, seres monstruosos, sobrenaturales e inmortales salen a cazar. Una antigua tetera sellada con decenas de amuletos mantiene a un demonio en cautiverio... —¿Te gustaría ir conmigo?—¿De veras?— Bajo el sol cegador, Naruto y Mitsuri caminan hacia una mansión oculta por un bosque de glicinias

" si jamais tu t'avise de toucher rien qu'une seul mèches de leurs cheveux, je ne réponds plus de rien. " stoppant tout geste il la fixa dans les yeux. " c'était sensé être une menace." " oh non, c'est une promesse. "

In one world, two brothers journey to fix themselves. In another, a pair of siblings must find a way to restore the sister's humanity. After an encounter with a mysterious woman, the two pairs of siblings find themselves lost in a world that seems much like their own.

Tras ser enviado a una misión asignada por el patrón, Kyojuro se embarca en una misión para derrotar al demonio que provoco la muerte de varios espadachines de rango Mizunoto, lo que no esperaba, era que el se sumaria a esas desapariciones.

Some people would call Lelouch Vi Britannia many things: a liar, backstabber, tyrant, and others when he began his path of revenge. But what if He experienced someone else's life and knows that person's endeavor would make him a better person in life? This is how it Began.

A companion piece to Heart of Fullmetal. The tale of how Roy Mustang gathered his most trusted men.

All Chris wanted was to live a normal life with his dad. To go to school, get a good job, and make some money. However one accident led to the most stressful, annoying, weird, complex, and perhaps enlightening journey of his short lived life. Maybe now he could do some good where others had failed to, and with a kickass, ancient friend to boot.