One Piece: the Most Powerful Swordsman

Cheng Hao, a loser and an otaku, traveled to the world of One Piece due to a car accident. He did not have the golden finger of the traveler, but only a broken sword. He traveled to an isolated island with that broken sword and worked hard to survive, inspiring him to become the strongest swordsman in history. What kind of adventure will this outsider embark on in this world? Let us look forward to it. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.