In the New World: The Strongest Demon King!

Several hundred years ago, after Su Yu transmigrated to the world of One Piece, he awakened the Demon King System.

He became a demon progenitor, just like Muzan Kibutsuji.

But Su Yu soon discovered, to his dismay, that he had inherited the same weakness demons had: sunlight.

So Su Yu began searching for a way to overcome the sun.

And so the legend of the Demon King began in the world of pirates.

The Marine Headquarters and Mary Geoise were both conquered by a single man.

With the help of a mysterious figure, the Germa family of the North Blue unified the region. But after angering that great being, they fell apart overnight.

The mafia of the West Blue, the shipping companies of the South Blue, and the kingdoms of the East Blue: Su Yu was behind them all.

Until the Battle of God Valley, when Su Yu held the Bird-Bird Fruit, Mythical Zoan, Three-Legged Golden Crow form, and looked down on the gathered Marines.

"Prepare to be baptized by the perfect ultimate life-form!"

Several hundred years later, Su Yu brought Akaza with him,..

This novel and its characters are entirely fictional. Any resemblance is purely coincidental. Do not imitate.