In a world ruled by the seas, pirates, and power, Bai Yu awakens in the universe of One Piece—and with him, a cheat-like ability: the Strongest Swordsman System.

No training. No limits. Just swing a blade, and grow stronger.

From the moment he picks up a sword, Bai Yu begins his daily routine—swinging, slashing, and evolving. A thousand swings unlock the secrets of the Six Powers. Two thousand? The mythical Qinglong Sword Intent. At three thousand, he masters the legendary Three Types of Haki.

The world watches in awe—and fear.

Admiral Kizaru: “He’s the most terrifying rookie I’ve ever seen.”
Admiral Aokiji: “My ice shattered before his blade.”
Admiral Akainu: “He’s a threat to my title as Fleet Admiral!”
Even Dracule Mihawk declares: “Bai Yu... is the world’s greatest swordsman.”

From a nameless wanderer to a legend feared by the Navy and admired by pirates, Bai Yu’s name echoes across the Grand Line. In a world where power reigns supreme—he only needs one thing:

A sword, and the will to swing it.

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Chapter 139 - Chapter Update