Ubuyashiki decides to give an important test for the young Demon Slayers. Go train in another reality, one where magic is real and the challenges are really powerful. While in this realm the group joins into a guild called Fairy Tail, who once was very powerful but once their great members went missing lost most of the power. However, they soon return, how this will go out?

The title basically summoned it up. This is a story of Fairy Tail Guild watching Kimetsu no Yaiba (Demon Slayer)! Come with them as they followed the Kamado siblings, Tanjiro and Nezuko, and the demon slayers of the KnY world. No pairing for now, just pure reactions

The Hero Alliance teams up with the Flashy Sound Pillar Uzui Tengan, by investigating multiple disappearances in the Yoshiwara Entertainment District. The foe they may end up facing will be their greatest challenge yet, but there's another also lurking behind the scenes biding their time to strike.

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.

This happens after Class 1A start working as Heroes. But someone or something started prowling the streets at night... (I have only seen mha until season 3 so don't blame me if it's inaccurate ;-;) (Villain Tanjiro AU don't judge hehe)

A/N: Kevin the cube decided to summon the demon slayers to let them watch a favorite type of franchise game...

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.

A single misunderstanding. That's what it took for two people who should have been on the same side to come to blows. In the end, the better warrior stood victorious, but at what cost? With a new purpose, and a vow to keep, this gentleman must put his life on the line to protect a demon. Even if she resents him, he must do everything in his power to make sure she lives.

The Oracle of Kandrakar sense that the guardians need some help in order to train their elements. So to give them some boost he send the girls to a new world, one that resemble earlier 20 century Japan. The difference is that this world has man-eating demons, and to make them get stronger the girls will learn will the legendary warrior Hashiras in order to battle the forces of evil

Follow Natsu Dragneel, who’s now a demon in the world of demon slayers and man eating monters. he aims to rid the world of it’s evildoers, and win the heart of the woman he loves. Slight OOC Natsu

For the first time in the Wizard World history a Japanese Wizard school will be participating in the Triwizard Tournament. The school that was selected is Demon Slayer academy a school that not only teaches magic but also techniques on how to kill demons. While one of their third years is chosen to participate in the tournament something in the shadows is coming to attack them all.

In the era of Meiji, the forces of the underworld had gathered so much strength that it summoned intervention in the form of the warrior of age past. It did not come in easy as first encounter cost an arm. Barely escaped death, the hero of the unification was granted a tool to fulfill the prophecy. (Also crossover with Nioh 2)

Remnant is a cruel world. The creatures of Grimm terrorize its citizens, 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.

Entrar en el ciclo de rencarnación, tuvo sus complicaciones, y todo por no ser totalmente humano... ahora no se que soy, quien fui, y solo se una cosa, que tengo hambre. Entonces porque la entreno..

Your ancestor betrayed humanity, and due to his betrayal his family had to atone for his sins after his death. Cursed with eventual sickness then becoming a demon you are the last of his blood the last to atone for his sin as such you come to Orario to find a cure but you find yourself becoming friends with a young little rabbit as your curse slowly eats away at you. Gore and OC

After being tricked by a demon and its blood art technique, the Demon Slayer group is sent to another world. To a place called NGL, there they meet a man called Kite and soon two boys named Gon and Killua. Later the group has to face some weird creatures called Chimera Ants. To the shock of the Demon Slayers, those creatures might be stronger and more dangerous than the demons.

Tanjiro and Nezuko Kamado's entire world was taken from then on a snowy day in the mountains. And it seems the monster responsible is plotting to do the same again, but this time, to the people from a world of magic, witches, and monsters different from those of their own world. One ruled by a cold tyrant, and one far too similar to that nightmarish demon. A new dance begins.

So... what can math do? Will I ever need this out in the real world? What can math do for me? Well this is a story about answering such questions! Or my story on how I rose to power by working through horrible pain to become a winner. (Start world KonoSuba, current Kimetsu No Yaiba)(Part of the Dark Guard reality)

Regrets? He had a few. Happy memories, perhaps less. He had a goal, however: tying up a loose end and fixing his biggest mistake. With the start of the Taishō Period, his hand has been forced. After a millennium, it wouldn't be the first time. But Naruto will make sure it'll be the last. NarutoxHarem

Sakura Haruno lands in another universe courtesy of Kaguya Otsutsuki. This time she lands broken and nearly dying where a Demon finds her, who subsequently turns her into a Demon herself who can walk under the Sun due to the chakra running through her veins. She is an anomaly in a cruel world without chakra and now she must find a way back to her own world with the help of others.

Haruno Sakura is reborn as Nezuko and the only person who has chakra in a world deprived of it. When she is turned into a demon against her will, Nezuko finds herself capable of walking beneath the sun. Her life turns more dangerous when all the Demons and the Demon Slayers Corps want to weaponize her due to her capabilities. All the while Nezuko just wants to protect her brother.

In Modern Japan, the fight between demons and demon slayers is going on and has been current ever since the taisho period. At the same time, battles between good and bad shinobi, and battles between shinobi and yoma are also occurring. Both a happening separately, but what happens when a demon slayer by the name Taiyou Tsugikuni comes to investigate Hanzo Academy? lets find out

Basically it's a Harry Potter/Demon Slayer fusion, but instead of all of the Demon Slayer cast unrealistically attending Hogwarts (since they don't live in UK), they attend the school of magic in Asia with female Tanjirō and a possible Tanjirō harem.

The almighty Water Pillar, one of the fabled Hashira of the Taisho Era, coming face to face with Muzan Kibutsuji himself. If only he had been strong enough to stop him... Amnesiac, lost, and tossed into the unfamiliar world of Remnant, Giyuu Tomioka must try to navigate life at Beacon– as the same creature in which he despised the most.

Ozai manages to escape from his prison and he manages to get his bending back. He decided to get revenge on Aang by sending him and his friends one by one to another world. One full of monsters that prey on human flesh but there are people who slay them. Can he and his friends manage to survive and hang around these new people? Only time will tell.