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.

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

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.

Kokushibo wakes up after death in a strange dungeon with no idea how he got here, which is even stranger... He was no longer a demon. will our new hero be able to adapt to the new world? Will he be able to start his life over again?

When Annabeth dies facing Gaea, Percy asks the gods for one wish: be sent somewhere to be free from their influence. He did not expect, however, to be sent to a world eerily similar to Japan, filled with demonic beings called Onis. Soon enough, Percy finds himself joining the Demon Slayers Corps, and now must navigate a dangerous new world with a newfound purpose. [Uptades weekly]

Dr. Datenshi had seen it all. He was there when Admiral Perry ended Japan's Isolationism, he was there when Emperor Meiji turned Japan into a World Power, he was there during the Greatest Generation of Demon Slayers. He was there when Humanity looked to the stars, and joined a galactic community. Dr. Datenshi had seen it all… But Fate, it seemed, wasn't done with him yet.

When Marin moves in next door to the Shabana siblings, at first they seemed destined to be enemies. Afterall, the Shabanas were rude, crude and insufferably jealous of anyone who did anything better than them. Everybody hated them so why bother getting close at all? Yet here she was adopting them like strays behind a dumpster.

Kimetsu Academy received an invitation from one of the most elite school in Japan to join the inter-school festival there, and the invitation has something to do with a certain teacher and his not-so-really-good 'science project'. And Uzui-sensei is up to do something crazy again. Based on Kimetsu Gakuen AU with OHSHC Post-canon.

A story of how one man, Yoriichi Tsugikuni, was able to turn the famous Yojutsu in The Land Of The Sun into Breathing for many users.

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.

Chris wanted nothing much, just to finish school, get his act togethor, maybe even study. But his world gets turned upside down when tears begin flowing. And a voice claiming to be an Japanese folk demon begins living in his head. Things began to fall apart and grasping at the straws of hunger. Maybe he could do some good, or he'd be just another monster infesting the Bay.

"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...

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!)

He was never a part of this world but lost on choices he had to stay and slay in order to make this world worthy to remain alive and look forward to another day. But who thought his leisure plans would be interrupted by a certain butterfly?

Threat to Humanity detected. Counter Force Intervention now implementing– failed. Spiritron Stability impossible. Servant Summoning impossible. Searching for viable vessel alternatives– found. Newly augmented Spirit Origin established. Counter Guardian EMIYA summoned. Class BERSERKER. Mission Objective: Slay all the Demons!

A Crossover story Challenge between Twilight Princess & Demon Slayer for anyone that want's it. Featuring Link after saving Hyrule being put into the events of Demon Slayer.

She was once a holy woman, who vanished the cursed jewel that cost a lot of lives. However, she was brought to sleep and was sealed for years due to her regrets. Now, she was awaken, was being called upon by the gods and was summoned to another time.

Kamado Tanjiro was never a killer and never a bad person. He had principles and morals he'd rather die for than breaking. But fate didn't care bout his feelings. The truth couldn't care if he was a good of bad person. And only a mysterious Goddess can help him to face this reality that struck him.

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.

“Listen, Tanjiro… what I’m about to tell you was a story passed down from our ancestors,” bright dark red eyes look at his grandma, eager to listen “What is it, grandma?”. His grandma who looked at him, smiled softly at his adorable expression, “it’s about a girl who overcame time…”

Michikatsu Tsugikuni And Yoriichi Tsugikuni Are Given A Second Chance And Are Reborn In The Future As Kouichi Kimura And Kouji Minamoto A Story About Brotherhood That Transcends Life Times

An otaku with a very unhealthy lifestyle of Eating Fastfood and watching anime, along with writing Fanfiction. Dies. I know shocker. He gets chosen by the RS System or Reincarnation System and decides to go the Ghost Rider Route. Follow his Journey as he Levels up, gains skills, and collects a hare- Huh... He's an Asexual? Welp the other stuff is still true. Gamer-SI.

Yoriichi is confused. He remembers vividly of the day his heart stopped, the day he stopped breathing. But if he did, then why can he feel blood sluggishly running through his veins, lungs expanding and constructing in the way he has done all his life, a pulse that is barley notable but still ever present?

Eri prays for a new life far away, and her pleading is answered, suddenly surrounded by people who need hugs. Kokushibo and Nakime are now parents, Akaza, Doma, and Muzan are uncles, Daki is an aunt, the other two are the odd cousins, and none of them have the slightest clue why she has a horn and where she got powers.

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.