One Piece: The Half-Blood Ninja Who Hides on the Straw Hat Ship

In a shocking turn of events, a mysterious ninja named Xi Yan, with the unique heritage of being a half-Uchiha and half-Senju, finds himself transported to the world of One Piece. As he boards the Straw Hat Pirates' ship, he is unexpectedly invited to join the crew by the young and charismatic Monkey D. Luffy. With his exceptional ninja abilities, Xi Yan quickly proves himself to be a valuable asset to the crew, helping them rescue Robin and protect the ship spirit, Merry. As the Straw Hats face off against the World Government at Marineford, Xi Yan unleashes his immense power, creating a massive Susanoo that ravages Marine Headquarters, leaving a lasting impression on the enemy. With his unparalleled abilities, Xi Yan earns the respect and awe of his crewmates, but also sparks the fear and confusion of the World Government's strongest warriors.