Li Yu is a modern young man who knows the plot of One Piece inside and out. One day, he suddenly transmigrates to this world full of adventure and dreams. When he wakes up, he finds himself in the era when the Straw Hat Pirates have just set sail. Faced with a world that is both familiar and strange, Li Yu decides to stop being a bystander and take an active part in it.
Thanks to his knowledge of the plot, Li Yu quickly finds his feet in the pirate world and grows stronger through one adventure after another. How will he change the Straw Hats’ fate, and what kind of legend will he write in this world full of challenges?