Navigation: Capture Shanks at the Beginning and Drive Roger Crazy

Klein, who traveled to the world of One Piece, became Garp's adjutant as a navy orphan. As long as you fight against strong players, you can obtain mission cards and use the enemy's abilities. In this era, Roger dominates the sea, his white beard is famous all over the world, his aloof red is worth a thousand, and his reputation as the Golden Lion Pirate Admiral is feared. And Klein, wearing the coat of justice, copied the abilities of these strong men, leading the entire navy to open up a whole new world! He is a nightmare for pirates. He is the patron saint of ordinary people. He is recognized by four million navy officers as the next marshal—White Horse Admiral Klein. And, it was declared by the Five Old Stars that it was more harmful than the navy of the Four Emperors! Roger: The Age of Discovery will have a lot more fun because of him Whitebeard: I really want this guy to be my son! Redhead: Why do you think my left arm is missing? On top of the war, Marin... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.