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!

Mirrors. In many worlds, another may appear as its reflection. Determined defenders against an vicious force and a darkness pulling their strings. But rarely does someone reach through the glass and touch the other side. But as another shadow looms over Remnant in the dead of night, it is not alone. So, set your heart ablaze dear huntress, and look toward the dawn!

"When Raven left that night, she had unknowingly taken another child with her. Ten years later, Sabito Branwen ran away from her. Meeting his sister, Yang Xiao Long, years after that, was a total fluke… It wouldn't distract him from what he was supposed to do; their paths were fundamentally different. It wouldn't distract him... He wouldn't let it...

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)

It was his time, he'd saved every soul on that train and in only a few more seconds one of the most powerful demons alive would be dead. This was an ending Kyojuro Rengoku could live with, but the end of one story is merely the beginning of another. T for Language, violence and suggestive themes.

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)

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

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.

Yoriichi finds themself in Remnant, where Japan doesn't exist and creatures called Grimm are this world's stand-in for demons. Stranded with Vale's most notorious criminal and his sidekick, while also battling a red-cloaked huntsman and his niece, Yoriichi must learn to survive. But why is the criminal so beautiful and the huntsman so handsome? How does Tamayo fit in? Who's Salem?

Yo, this is a story about everyone's favourite vomit boy! Let's see what our Jaune can do when he gets the power of the thunder breathing style!

Inosuke is transferred to the world of Remnant and shenanigans occur. Blake PoV. Inosuke x Blake. Oneshot.

Ruby Rose Daughter of Summer Rose is devastated when her family is killed by a demon one night and now seeking retribution vows that she will help protect others from the demons. Basically Rwby characters in the demon slayer environment.