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U.A.’s demon (KNY x BNHA crossover)


Seiji comes from the world where demons are an enemy to man kind.He was the twin brother of Shinobu Kocho,and the Poison Hashira of the Demon Slayer Corps.He devoted his life to find the demon who killed his elder sister ,and to killing Muzan Kibutsuji.But that dream comes to an end when the said demon king turns Seiji into a demon. Finishing his final battle ,he fell into a river.This was where he thought his story would end,but turns out, fate isn’t done with him yet.Walking into an empty abyss he hears a voice.Telling him it’s not over yet. He fall directly into the classroom of the 1-A Hero class, severely wounded and confused.As he progresses throughout this world, he feels an overwhelming power awakening inside of him.Which side will he end up in?

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How Seiji despise them.

Because of them his parents.


were dead.

He vowed to kill all of them, but never did he once think that he’d become one...

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FictionalChris: I really enjoyed this book, and look forward to more. (Already reading the next) The slight errors here and there weren't enough to pull me from the story to badly, and the style is fine. As with any author creating work at a fast pace to post, typos and whatever is easy to overlook. What has bee...

Leyla-Claude: Shorter than the other two books but I like how the story is coming together nicely. Looking forward to book 4

Tiffany: Omg ...if you enjoy reading short hot stories that gets you really needing to bring your toys out and play then this is perfect for you it's amazing!!! I really LOVED reading this!! Ty for letting us read your marvelous amazing story!!!

Annigrace: Ok the novel is great

Sara: A great story! I look forward to more chapters and updates to this one.

jsmoore18: Please add more chapters I know you currently have 3 books in progress and I can't wait to see where they all go. So far I have read all your books out on this site and on storysome.

vanja: Nice style, this is the second book that i am reading and i like it.

chrissyparadis: I really liked the plot of this book. I love MC stories!

Gladys: I really enjoy this story more I read.

More Recommendations

aanya_sejal: It was indeed a good story.

Liz : I like this story but I like of them. I wish you could do one of the boys as they return and get back to life with mom and Dom. Them falling in love with a special girl or guy. I think with the way you write it would be amazing.

marieamy788: Loved it and enjoyed it

Deleted User: The fact that the book ends before she even goes on the date/dinner is so frustrating. But Even though...I love your story and the rollercoasters it takes me on. 💚🖤🖤⚔☠😁☠⚔🖤🖤💚

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