In the World of Sailing, Starting with Conquering the Underworld!

Xiao Di woke up in a dark, damp ship's hold and discovered that he had transmigrated to the world of One Piece!

From the start, he awakened a System and immediately obtained all three types of Haki and a bugged Devil Fruit!

As long as he completes missions, he can keep obtaining powerful attributes tailored to him!

Starting with being kidnapped, he gradually takes control of One Piece's underworld and conquers the criminal world.

He becomes the Underworld Emperor, revered by both the underworld and the law-abiding world!

Several years later.

A fearsome powerhouse stands at the pinnacle of the world.

"Everyone wants to become the Pirate King."

"But I am the true king of this world!"

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