Faelyn, a passionate science enthusiast, meets an untimely end when he is struck by a truck. However, death is only the beginning. Awakening in Japan, he soon discovers that he is part of an experiment orchestrated by a higher being. His role? To test an experimental skill system unlike anything seen before. [Full Summary Inside]

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 Empire is on the verge of ending now that Shikoutazer has been beaten and is about to fall over. However, even this late in the game Honest has one final card to play, a hitherto unknown Imperial Arms that will banish those caught in its power to another world, permanently. In his final moment, Honest gives the order setting a path to Taisho-era Japan for those caught up in 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 last battle wasn't supposed to be like this... Tanjiro, an untalented boy who has lost and suffered a lot, becomes the hero of his world. The one who stopped the demon terror. But... Kibutsuji Mudzan a demon without love, mercy or any humanity was not going to die. Out of his last strength, he uses his demon blood to create a fortress of infinity. It saves his life.

Muzan Kibutsuji has finally died. The surviving Demon Slayers will be able to live in peace... except one. An unknown event sends Tanjirou to a reality unknown to him. The sun hashira will try to understand the rules of this new society,helping"heroes" to develop their power and investigate what happened to his old friends or if there is any way to get back with them

Danny is feeling exhausted and worn out having one of his fights with his wife, Sam, so he decides to get rid of the stress by getting a massage inside a new massage parlor. What happens when his masseuse turns out to be a certain pink-green haired woman? An experience that Danny himself won't soon regret. Co-written by me and ByletheaFanatic32. Features language, smut, PWP.

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.

An edited resubmission to my fanfiction of the same name. Kibutsiji Muzan is dead, everyone rejoices, including the demons that were freed from his tyrannical rule. But millennia later, when signs of his presence resurfaces, the ones who remain from his era, now in a society of Heroes and Quirks, need to face their past, and the risks of their secret being dragged out into the sun.

"If there is a God, He must have turned His back on me long ago, for no divine being could witness this suffering and remain silent." The tale of a shinobi lost abandoned by his world. A Demon Slayer seeking stolen purpose. A man fighting his past and striving for a future with loved ones. A boy, lonely and forgotten, redeemed by two siblings and chasing lost memories.

Picked up from the Original story "Once a Shinobi Now a Demon Slayer". Sent to another dimension as a last-ditch effort by Kaguya and Having lost everything he ever cared for, Naruto finds himself alone in the world of Demon Slayers. Reluctant to play the role of a hero again, he decides to lend his aid to a demon looking to atone for her sins.

All he desired was to return his friend to their village. He trained diligently and worked tirelessly to protect his home from invaders who threatened to harm his loved ones and take his power. Naruto Uzumaki awakens in a world that is both unfamiliar and reminiscent of his own. And demons existed here… Okay, this world wasn't so different from his own.

After an intense mission, Akame has found herself lost and alone in an unknown land. Yet the only thing that is clear is that she is now surrounded by dangerous threats with an additional complication. Now the Red-Eye Killer must navigate this new land, kill the demonic threat, and make her way home.

Naruto is reborn in the demon slayer verse, watch his adventures.

When the young demon slayer, Tanjiro Kamado returns to the Butterfly Mansion after a mission, he ends up encountering a group of strange creatures who call themselves the "Immediate Murder Professionals". They are demons from Hell who are out to kill Tanjiro after a demon that he previously killed hired them. How will Tanjiro react to this situation? Well, things sure would happen!

He had another chance, another family. So he will protect them. When the demons threatened his family, the greatest shinobi decided to let the world know how much stronger one can get when they have someone precious to protect. He will protect them from everything. That is his ninja way. Not maybe as Naruto... but perhaps as Tanjiro. Current Chapter: The Train of Hell.

It is the Taisho era. If 'he' had been born in this era overrun by demons, and became a demon himself, and joined the Demon Slayer Corps... Note this an English translation of Japanese Fanfic. The original can be found by typing 鬼の俺が鬼殺隊にいるとか間違っている in the search bar

There had to be a way to switch her back, so thus begins Sora and Riku's journey to finding a cure for Kairi. Kingdom Hearts characters in the Demon Slayer universe. Strong mentions of blood and violence.

Yoriichi Tsugikuni reincarnates in a land of unnatural creatures, unfamiliar technologies, and mysteries that stretch beyond his past life. Armed with the memories of a life passed, he fights to find and understand his place in this strange world, unaware that a much larger struggle awaits—a battle where the darkness is more ancient and enduring than anything he's faced before.

This is the story of a man who had all the strength in the world but lost everything. The past mourns him, while the future slowly forgets. In the end, he died with regret and sorrow over a failed duty. Beyond this end, even after death, the work is never finished.

Yoriichi lives on in the Taimanin Asagi world watch now as the demons tremble in fear of the Sun breathing swordsman. Yoriichi Harem. Op Yoriichi.

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.

Ruby finds herself in Demon Slayer and after learning Nezuko’s and Tanijirou’s story, she decides to help them.