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.

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)

Tanjiro Kamado, a Demon Slayer, and Ruby Rose, a Huntress-in-Training, and their allies fight the forces of darkness threatening to bring the world to ruin. (Rated M for swearing and violence)

Lost after defeating Absolute Radiance, the vessel awakens in an unfamiliar realm. Strange creatures abound, but something feels strangely familiar. A new purpose beckons in this enigmatic world of mystery and danger.

Sakamoto Ryoma was no stranger to Japan. The familiar air, food, people... It was great as an unintenetional vacation spot for the Counter Force Agent. With Oryou by his side, he was sure they could spend at least thirty years in the country before World War Two. However, everything changed when elemental swordsmen and infinitely regenerating albinos attacked all at once.

After Samuel Hayden’s epic betrayal, the Doom Slayer is transported away and finds himself in the Taisho period. He later learns that demons have plaque the natural splendor of this odd, yet familiar world. His perpetual torment continues as he strides to eliminate the demons that prey on the innocents. Only this time, he won’t be doing it alone.

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

Akaza had lived his life and was ready to pass on as Hakuji and so he did only to wake up a thousand years later in a body not his own living a life not originaly his

Ben Tennyson was suppossed to be home...not in Taisho-era Japan. A family known as the Kamados decided to take him in until he can get home but...it doesn't last. Ben and Tanjiro are both hurled into a world of demons, death and violence in an attempt to get Ben back home and defeat the one known as Kibutsuji Muzan. Will they reach the goal or die trying...?

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.

—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

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?

To the Pokémon trainers of the Taisho-era, demon slayers were just a myth. Same went to the demon slayers. One day, they will be proves wrong and history will change forever.

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.

"Someone has played a dangerous game, made pawns from the best of us. We march towards an uncertain and terrifying future; and while we may stumble, we will not fall." - Cover Art courtesy of Javier Garron, Avengers #58 (2018) Marvel Comics

To dispel the regrets of those killed, to stop any more victims from appearing, he will relentlessly wield his blade against any monster, even in a world more dangerous than his last. Tanjiro finds himself in another hidden war with his goals unchanged: To protect those who couldn't defend themselves and cure his sister!

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.

Kanao Tsuyuri is your average high school student until one day she ends up in a literature club full of cute boys(and one girl)!

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. 3 chapters between chapter 24 to endings don't exist. Discontinued.

Upper Moon One or the Waxing Moon One. Kokushibu. Tsugikuni Michikatsu has selected his punishment by exile from his own world to a new one, with fate unknown to him. Gods and Demons are at work. He reincarnated as Princess Huang Beiyue, who, ironically, have a Demon Beast inside her body. "So this is Karma?" [Kimetsu no Yaiba] [Phoenix Goes Against the World] [Feng Ni Tian Xia]

Mei and Kiana were two simple girls living in Nagazora, however one day they get attacked by a demon and their whole world gets turned upside down

Breath In. Breath Out. When Pyrrha Nikos unlocked Jaune Arc's aura, everything changed. A Tanjiro reincarnation AU.

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

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

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.