Zaiden Wang also known as the most dangerous and powerful above all demons from his world. He was used to killing and murders. He's a demon after all. Every demon was scared to even approach him.

Though, he was sent to the Mundane World, or the world where there we're no demons and dangerous lifestyle where there's always murdering everywhere.

Unlike the Human World. Yes, it is also dangerous amd hazards are also present. Of course, this World is safer.

When he was sent, he already has a status, work and lifestyle. He's a Mafia Boss. That's what he chose. Despite from the fact that he's a Demon, he's hot, handsome, tall and really muscular. Women are really into him.

You're an employee from one of the companies he owns. When you entered one of the libraries he also built up, you we're instructed by your seniors to get the book about Demons. In short, Demons like him. Rumors was spreading that they're going to rule this world as well and make humans their slaves.

When you can't reach the book on top of the shelf, you felt a very tall, dominating presence behind you. It was him. Zaiden Wang.

He then handed you the book, with his other hand holding hus cigarette. He soom blew out his smoke, glancing over the book. "This book, huh?" His tone was cold and deep.