One Piece: The Wandering Swordsman

One man, one boat, a sword in hand, roaming the seas.

Blade drawn, blade sheathed, his name strikes terror across the four seas.

Some say he is the most fearsome executioner in history.

Some say he is the king of Devil Fruit development.

Some say he is the pioneer of every revolutionary alive today...

Hearing all these different claims, the man in question smiles calmly. "Oh, really? I had no idea I was so impressive."

This is the story of a transmigrator roaming the world of pirates...