One Piece: Fist of the World - Chapter 6: Scam

Betrayed and murdered by his closest friend, Halo thought death was his final punishment, until he woke inside Damnation of the Gods, a brutal game he’d barely played.This world is rotting with Sinners and monsters wear human skin.And the so-called hero? His holy crusade will only finish what the gods started, the world’s destruction.Armed with the knowledge of the game’s true ending, Halo must hunt the hero before destiny collapses again.But can a damned soul defy fate without losing what’s left of his humanity?This isn’t a game anymore. It’s his second death waiting to happen.—WARNING: THIS NOVEL MIGHT CONTAIN DEPICTIONS OF VIOLENCE AND SCENES THAT MAY BE UPSETTING FOR SOME READERS.

In the end of the era, the ghost wizard was killed in a car accident, the soul crossed, and he found himself in Japan, and he was attached to a Japanese.

I was thinking about taking a name in Japan, and I picked up a newspaper and glanced at it –

Kudo Shinichi, Sherlock Holmes of Japan’s Heisei, the savior of the police? In the trough, how does Laozi wear into the world of the second yuan? Well, all in all, this is a story of a wizard playing a passerby in the Conan world…

- Description from MTLNovel

Yang Qi was the son of the patriarch of a wealthy family from a small town.

Chen Rui, an otaku from earth, is reborn into a human body in another world, who falls into the legendary evil, brutal world of the devil called Mozu where humans are treated as food. He has to survive while facing horrors of the devil, violent dragons and a variety of powerful enemies by depending on a strange super system chip and his wits. Surrounded by Devil’s beauties such as black-bellied lolita princess, cold queens, violent dragons, charming poisonous devils …

Wanting to live in the Devil’s world is hard! Wanting to live in the Devil’s world as a human is harder! Wanting a human to be the devil’s son-in-law is hardest!

Let us see how a small otaku uses power and strategy step by step starting from an ordinary human to writing a legend as the devil’s greatest son-in-law.