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!

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.

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

Naruto is dead after protecting the village. He is reincarnated into the world of Demon Slayer, but he carries all of his previous powers with him.

Aether's Journey into Multiverse Polygamy: Navigating Multiple Realities in Search of a Solo Harem. . .

Tanjiro Kamado perished at the hands of Muzan Kibutsuji - and a subsequent chance meeting with the Sun Breath User arose. Fate weaves a new path for Tanjiro when he crosses paths with a peculiar boy and fairy. Together, they traverse the perilous territories of Teyvat to search the Seven, and through it all, they may solve the enigma that sent this world into chaos.

Jon Snow, bastard son of Lord Eddard Stark stands to gain very little in this world. So, he decides to devote his life to the Demon Slayer Corporation and protect the people of Westeros from the threat of demons. Watch the adventures of Jon and his fellow slayers as the fight an ancient evil.

I have often heard humans refer to a situation as something already predestined but Only the weak say such nonsense. It is different for the truly powerful: they create this something called "destiny" with their own hands so why not create the mine

Aun cuando se creyese que All For One podría ser la primera gran amenaza con la que la humanidad tuvo que lidiar tras la aparición los quirk, lo cierto es que la humanidad no podría estar más equivocada y es que aunque no lo parezca, un antiguo mal de pasado, el cual no se había visto desde la era Taisho, parecía amenazar con resurgir nuevamente de entre las sombras

After 3 years, the well unsealed. However, it's not the Sengoku Era Kagome's taken to. Wielding strength unrivaled by any other, she's swiftly brought into the Demon Slayer Corps. When Tanjiro showed up, toting his demon sister in that box, she quickly became attached to the siblings. If anything, it only made Sanemi that much more aggravated.

No matter how different they seemed, there appeared to be some sort of likeness that existed between them. Sanemi was abrasive to most, but Kagome was the outlier. Kagome was kind and gentle, yet below the surface lurked a searing temper harsh enough to frighten even the worst demons. They provided one another with the balance they both so badly needed.

Enmu has been killed and sent to hell. What's a demon to do. Thankfully, his fun isn't over, it's only just beginning. Happy Halloween!

One year. Exactly one year since the death of a Mother. The Kurosaki family, engulfed in grief, stayed out longer then they should have, encountering a demon on the walk home. Good thing a Demon Slayer was around to save them. Inspired by The Butterfly(Kurosaki) effect. Rated T for now, may become M as story matures.

Dante manages to escape being eaten alive only to find herself between worlds.

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.

Despite being younger than most of her companions, Kagome seemed much older. Wise with unshakable courage, she was far more than what her youthful look made her out to be. As the Miko of the Jewel, she's meant to be guarded by the Hashira. A lot of good that did when she was the one often coming to their rescue. It couldn't be helped that she was so strong-willed.

Sabito wasn't quite sure why he was reborn when he finally passed on, but being reincarnated as the younger twin to a walking ball of sunshine wasn't the worst thing that could have happened to him. In which Hinata Shoyo has another sibling who loves kendo and knows way more about the Taisho Era than anyone else that he knows. Rated T for Sabito's potential potty-mouth.

Daki regretted being a burden. She regretted being too weak to take care of herself. But most of all, she regretted holding her brother back until they'd finally been defeated. She had a new life now, a second chance she wouldn't waste. Never again would she be a burden, never again would she be weak. She'll repay all the love she's been given if it's the last thing she does.