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 .

This story is about my OC, Aoki Sindriobi, and how he became a Pillar of Hope in Hero Society, learning of the true dark origins of quirks and his family's past as Demon Slayers. (My OC takes place in Lorenzoj10's Breath of a Hero. I love his work, and I hope you guys don't think I'm stealing from his creation)

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?

Izuku Midoriya a normal boy till the age of four when he was abandoned in a forest by parents. Was left to die that is what he thinks he has been there for 12years.With no human contact he conquered the forest and became a king till a group shows up and disturbs his peace. THIS STORY IS NOT MINE it belongs to redpan45 on Wattpad check him out.

The reincarnation of the Mist Hashira Murichio Tokito, Izuku Midoriya, wanted nothing more than to help others. However, in a world of miraculous superpowers called quirks, Izuku was quirkless. A demon twice removed from the Progenitor, Hitoshi Shinsou, yearned to be a hero despite his villainous aspects. Will the demon and the Demon Slayer achieve their dreams?

"Gehahah! Who wants a piece of me!" -Inosuke, probably. one shot fic surounding a very (not) sane student

In the World of Hero’s everything seems normal but in the darkness Demon hide in it. The demon king turned hero in training into a demon but with unforeseen consequences (Up for Adoption)

Izuku gets hit by a quirk that sticks a person in his head. It's not as fun as it sounds.

Muichiro Tokito’s Tsuguko, Samuel, Wakes up in another world. Not being able to remember anything, he starts his journey to figure out why he is here. But with demons showing up in this world as well, will he be able to stop them by himself? Or will he need help from the heroes of this world? (OC)

MC reincarnates as Deku, he was ready to become a hero without any Quirk but some things don't make sense. "What do you mean I'm not Quirkless?" "Whose the number one hero!" minor Demon Slayer cross over cuz I forgot Mirio existed. [MHA AU SI]

Izuku Midoriya the fighting hero. Not every hero is how someone thinks because not everyone is in a world with superpowers that can be mutated by those superpowers. up for adoption

Hitoshi is a demon, and sometimes he wishes for a swordsman to come along and put him out of his misery. He becomes a hero student in an attempt to cure his boredom. He ends up becoming the impromptu parent of nineteen students and an exasperated teacher. The results have been… mixed.

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.

O vento ia aumentando a intensidade à medida que ele ganhava altitude, soprando rajadas de neve em seu rosto e congelando as mechas úmidas dos cabelos loiros.

Nezuko Kamado Is a Demon. When fighting the upper moons five and four Nezuko starts to burn in the sun. Upper moon four Hantengu felt bad for her and used the last of his power to teleport her into the world of heroes. But on the hero's end, Deku becomes a villain and wants to kill Bakugo. What will happen? Will Nezuko help the heroes or Villain Deku? Read to figure it out.

Class 1-A were fighting villains When Bakugou was sucked into a portal Now look where he ends up in the world of Demon Slayers Y/N X Bakugo

The rip-off of The Lost Hero. Please Read first. Thanks

Four-year-old Izumi was living the life. She was well liked, great grades, friends with even the very crass Bakugou Katsuki, but one night her mother is murdered and eaten by a demon. What happens when the current Sun Hashira saves her and trains her in the ways of the Demon Slayer Corps? (Rated M for extreme violence and gore, harsh language. You have been warned.)

Zenitsu, Genya, Kaigaku, Sanemi, and Giyuu are teleported to the MHA universe, while in the midst of the Infinity Castle Battle. Ha ha, what could possibly go wrong? Apparently everything. (This is satire, I swear-) [Contains SaneGiyuu, and possibly crossover pairings]

A Headcanon/Oneshot on if the demon slayer and the MHA universes were the same one.

The artists enter a tattooing competition.

Onyotsu an inspiring demon slayer aiming to become a great demon slayer just like her idol shinobu kocho, she has train herself through her idol and practice shinobu's breathing technique insect breathing. Now she is on her way to the demon forest to uphold her test but once she got there she noticed something very unbelievable she couldn't understand

In which Hitoshi Shinsou is reincarnated as Hitoshi Kamado, and is the moon to Tanjiro Kamado's sun.

No true summary yet. Original characters! Demon SlayerDeku! Deku has a Quirk! FemaleDeku!

So basically Zenitau get reincarnated in the world of MHA and becomes a hero and accomplishes his will.