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.

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.

[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)

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.

{Naruto / Nezuko} Naruto & Tanjiro struggle to keep both Nezuko & a Book, which holds the origins of all demonkind within its bloody pages, away from an unholy alliance between Muzan & Orochimaru; all the while Naruto slowly falls for this peculiar girl who may be even more demonic than he is! [ft. Tanji/Kanao; Sasu/Saku; Zeni/Ino; Ino/Aoi] ((13: Those Who Remain))

Story of an overpowered character being in the dreams of a child. Due to plot reasons, This child also has the same strength. T for later use of story.

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)

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

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.

Takemichi Hanagaki gets glitched all the way back into the Taisho Era, with Tanjiro and Company. It changes everything.

Chris Teel, an average kid living in the bay, thought that highschool would be a true starting point in his. A kickoff to help him move on from the past. Despite that however, the past still seemed to catch up and harm him in a even worse way. Then fate reared its diabolical head.

I am bad at summarizing things.

There's another kid who sailed on the Oro Jackson aside for Shanks and Buggy. Fem!Zenitsu in OP an AU for my existing story

Tanjiro Kamado and his adoptive little sister, Nezuko, who was actually the Fire Devil, lived a poor but happy life. That was until Tanjiro is killed and Nezuko gives up her life to save his. Devastated, Tanjiro is found by the Public Safety Devil Slayers and invited to join their ranks. Now, Tanjiro must hunt down enemy devils in order to gain the normal life he wanted for so long

What if Frisk was in kny? Will they teach humans and demons to live in peace? Or will she slay them all?

Another world, where there are only four mainlands, unique yet weird monsters roaming around instead of demons, and even goddesses of odd names to boot. As fascinating as all this however, Tanjirou and his friends' only priority is to return to their homeworld, one that they've yet to find out how. Perhaps they would find the key by joining these girls in their journey.

Shirou Emiya, the person who arguably got isekaied the most in Type Moon's history. Isekai sounds fun right? Meet new people and get awesome power. An never ending adventure for our Hero of Justice. But what if, instead of just Shirou Emiya, everyone got isekaied. How will the world react if instead of getting hit by a wrench, the world got hit by an entire toolbox.

"What have I done, brother..?" were the last words the man, as he stared at his bloody hands. He had killed his brother out of hatred, even when he showed mercy and love. Centuries passed, before his inevitable death... Or did he die? He once more opens his 6 eyes, finding himself in an unknown, yet vibrant city... Night City's future is about to become more violent than ever...

When faced with a near-impossible threat, It falls upon the most unlikely of heroes to rise up and face it. Bound with nothing but the knowledge of the future, Josuke is thrown into a time that not many can recall; forced to face an age-old enemy in the hopes to save the future from its hidden past.(Check back every week for new chapters!)

I put Jojo and Demon Slayer characters against eachother.

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.

El heredero legítimo del Clan Uchiha, deserta de su aldea con las manos manchadas de sangre. Yéndose a otra dimensión, iniciando una nueva travesía, en un lugar donde la noche es reinada por criaturas devora hombres, conocidas como Oni (Demonios).

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.

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.

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.