The Demonic World I designed - Chapter 727 - 718: The Last Door

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.

Charles Manson was just another broke university dropout grinding night shifts at a city bar—until time froze, and a seductive voice whispered into his mind:> “System initialized: Lust Sync. Welcome, Master. Your desires will shape the world.”Suddenly, women around him begin to act strangely—flushed cheeks, lingering stares, unexplainable obsession. It wasn’t luck. It was the system.Lust Sync doesn’t just make women fall for him—it binds them, body and soul, through supernatural “Sync Levels” that unlock hidden power, twisted love, and lust-fueled abilities. The more intense the relationship, the stronger Charles becomes.From seductive professors to dangerous yanderes, spoiled heiresses to lonely MILFs—every woman he touches begins to change… and some don’t want to let him go.But Lust Sync comes with rules, quests, and consequences. The more women he Syncs with, the closer he gets to uncovering the dark truth behind the system—and why he was chosen.Can Charles handle a world where every woman wants him—and some would kill to keep him?> “Desire is power. Power is dangerous. And now, I have both.”

“Just once, I want to make it through the first stage of screening…”