Transmigrated into the world of High School DxD, Roy believed he had been handed a life of luxury and glory. Born into the prestigious Lucifuge family, with his Sister Grayfia as his strict yet devoted older sister, he thought he was destined for greatness. 99,997… 99,998… 99,999… 100,000! But... reality proved harsher: Roy lacked demonic talent and, despite years of training,

This is a Mashup reaction fanfiction in which MHA world react to Demon slayer story as there world's past .

Aoyama Yuito Daichi was just a normal teenager—an otaku with big dreams and zero athletic ability—until the day he was hit by a truck (yes, the cliché). When he woke up, he wasn't in his world anymore. He was in My Hero Academia, the land of quirks, heroes, and endless possibilities. 1st world(main)- My Hero Academia 2nd- Demon Slayer 3rd-?

In a world where demons used to exist, normal people have now developed super natural abilities. One of these people is a boy named Izuku Midoriya. By slight chance, he meets a descendant of the demon slayers. What happens when he gets wrapped up in a war thought to have ended long ago?

Basically the demon slayer corps gets dropped off into the worm universe for some entities entertainment. That's it.

OCs ( Lucas and Catherine) are mine. slight manga spoilers for KNY. All rights reserved. Credits belong to the author of Kimetsu no yaiba (Koyoharu Gotouge) and My Hero Academia( Kohei Horikoshi). I do not own any of the other characters in the book .

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.

the Year is 1912, the Taisho era. Turtle and his sister Ackulet are the last of their family who was slaughtered by a demon. Now Turtle looks for the demon that killed his family and to find a cure to turn his sister back into a dragon and save her form being a demon. His best option the Demon slayer core

"Mom? Who are those people?" A stubby finger pointed to two men. One of them had two large cleavers on his back and silvery hair, and the other had hair like fire. "They are freaks, Dudley. Just like Harry." In this story, Harry Potter is raised by the Rengoku family, before becoming the student of Masachika Kumeno, the Wind Hashira.

Tetsuya Kazuki, a passionate fan of Kamen Rider Gaim, finds himself transported to the world of Demon Slayer after an untimely encounter with Truck-kun. Armed with the Sengoku Driver and every Lockseed from his favorite show, Tetsuya must navigate a brutal new reality filled with demons, warriors, and unimaginable danger.

Spin off from Academy of the Omniverse Phase 2 where the Ultimate Multiverse Smash Bros Squad join forces with new heroes from the Multiverse to destroy Muzan once and for all and save the Multiverse ! Rated M for extreme gore scenes, Muzan god-complex and the Darker and Edgier world of Demon Slayer ! (Obviously !)

When he's spurned, Muzan uses a sleeping curse as a ruse to start a war. Tanjiro has to train to defeat Muzan and his curse.

This book is an opinion regarding who would die and who would win in the universe that you would love to visit. A fanservice anime provided to you of shinobi girls, powerful and boobalicious. So we're gonna see what happens how the upper moons would do in the world of senran kagura.

Izuku Midoriya was born with a strange quirk, and he is subject to many difficulties. Let's join Izuku on his journey as he overcomes his troublesome past and moves to a brighter future. On the path of a HERO!

Izuku is weak. Pathetic. Quirkless. He knows that, he knows that no matter what, he'll never really be a hero. But all that changes through one sheer aft of kindness. Armed with a book guiding him to secrets from the past, maybe, just maybe, he can be a hero. But not all things that return from the past are good...

The chance encounter of Kenshin and Tanjiro right after Tomoe's death and Tanjiro's encouraging words to the Rurouni. (Try to ignore the time difference) (one shot unless i get requests)

Bully made Izuku eat a creepy fruit as an example of his status. This fruit that the bully made Izuku eat somehow gave him a chance to pass through worlds. And he will train in them to gain strength for out defense.

Things have been hectic in the Demon Slayer Corp as news quickly spread of a demon's pardon by their leader. Kaoi thought things could not get any more crazy. That is until he and his Kasugai Crow, Teruo are transported into a new world. A whole new set of challenges awaits him in the kingdom of Lugnica.

Ainz, alone in the Demon Slayer world, encounters Tanjiro Kamado and his quest against Muzan Kibutsuji. With his unmatched power and mysterious presence, Ainz's arrival could reshape the battle between humanity and demons. - ALSO REWROTE THE SECOND CHAPTER, SHOULD BE BETTER NOW HAHAHAH, just give it a second to upload!

Izuku Midoriya was born with a demonic quirk and was shunned and neglected his whole life. Lets see how his life continues as he left his old life behind.

Four is a legendary number, but 9 is mythical. The power hidden in history, the rise of enemies and heroes reborn. There is strength found in unlikely places. A slave set free, working by her saviour's side. A lost soul guided, the story where paradoxical creatures exist in constant war. "Let there be carnage,let there be war.But die before my hands if you harm my comrades.I swear"

Izuku Yagi lived a happy life along with his sister Izumi Yagi and his friends the Todoroki's twins and the Bakugo's twins. Until one day, the day of his 4th birthday, he was diagnosticed quirkless. All of his dreams were crushed thanks to one word. But little did he know that yes he didn't have a quirk but something greater than that. Original author Reygne

Life was never easy for Tanjiro, yet he and his family always remained happy. Happiness met a devastating end at the strong smell of blood leading to a cloaked man with a sword. Disaster continued when his sister, Nezuko, was turned into a demon! With a new sense of vengeance, Tanjiro must find the man and restore his sister with the help of a certain half-blood demon hunter.

Tanjiro becomes a demon slayer and a Pokemon trainer!