Assassin Izuku in Helluva Boss & Hazbin Hotel

Assassin Izuku in Helluva Boss & Hazbin Hotel

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WpMetadataReadMatureOngoing10h 26m
WpMetadataNoticeLast published Tue, Nov 18, 2025
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Fanfic
Hazbin Hotel
Helluvaboss
Ever since Izuku Yagi was four years old, He was announced to be Quirkless, his life had went down an infinite spiral, facing many hardships like getting tormented by his friends, even his own sister. On top of that, his own father and mother neglected him. After 10 years of physical and psychological abuse, neglect, and rejection, he finally was fed up and take Katsuki advice to jump form the roof. Then Izuku reawaken, finding himself in a strange city, which soon he realized was Hell, and when he looked at his hands, he realized that his body had turned into new demon body. Walking around the city, Izuku didn't know what to do, where to go, or how to even get back to his world. Until he noticed a certain billboard standing on top of a building. And that would be the beginning, of Izuku's journey as both an Assassin, and a Hero.
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Izuku Yagi was diagnosed quirkless, and since then his life has been miserable. His parents totally forgot about him, and he has to work to get money for food and clothes. His own twin younger sister and her friends (Katsumi, Shoka) make his life miserable. One day after running away from his tormentors he was hiding inside of a cave. He then heard a voice, and he went further inside to find and he found this altar with a sword invented on stone. He heard the voice calling him to pick up the sword which he does, and he pulled it out of the stone then a huge power surge went around his body. He passed out from the power surge that he consumed. He woke up to be in the presence of the Number One Hero of the world and The number one hero of France. They explain that he pulled a curse sword called Inetsu, and that it will cause him to lose his humanity. Izuku broke down crying from all of the pain, and suffering he suffered but Mihawk told him that he still can be a hero. He tells Izuku he will adopt him, and trained him to become a hero. Izuku takes this opportunity to go away and come back even stronger. He will show the world and his past he can be a hero. He won't longer be Izuku Midoriya but Ikki Kurogane

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