One Piece: A Pirate Who Began by Playing the Part of a Martial Arts Hero

The story follows Ji Feng, who transmigrates to the world of pirates and gains a Martial Arts Role-Playing System. The main storyline follows Pirate King Luffy's journey, but Ji Feng doesn't fawn over him. They are merely acquaintances who happen to cross paths. However, during the Paramount War, Ji Feng will save Ace.