One Piece: Cleaving Through the World as a Bounty Hunter

Transported into the world of One Piece, Rain witnesses firsthand the bloodshed and brutality behind the so-called "Great Pirate Era."

He refuses to become a pirate, because those scum who cloak themselves in the mantle of freedom make him sick. He refuses to become a Marine, because there are too many constraints and too much filth lurking behind so-called justice.

After accidentally consuming a mutated

[Logia-Type: Rock-Rock Fruit]

, Rain chooses to become a bounty hunter who walks the gray zone.

No system. No wise old mentor. He cannot even awaken Haki after all this time?

No matter. Then he will develop his Devil Fruit to its absolute limit!

From the Mafia Godfather of West Blue, to a Warlord of the Sea on the Grand Line, and then to a monstrous Emperor of the New World...

This is the story of a man from the twenty-first century who, in the name of a hunter, fights injustice-and before he knows it, cleaves his way through the world.