One day, a giant ship falls onto the Straw Hats from the sky. After a narrow escape, and while they are still in shock, a map to the “Sky Island” is carried to them by the wind. While researching for the way there, they meet another pirate and learn that he is a descendant of an infamous Sky Island explorer who was even depicted in a picture book “Noland The Liar” four centuries ago. However, Noland was possibly not a liar after all and might actually have gone to the Sky Island.

"That's a hassle." That was second-year high schooler Nagi Seishirou's favorite phrase as he lived his dull life. Until Mikage Reo, a classmate who dreamed of winning the World Cup, discovered Nagi's hidden skill, inspiring him to play soccer and share his outstanding talent. One day, Nagi Seishiro receives an invitation to the mysterious Blue Lock Project. What awaits him there is an encounter with the finest strikers assembled from across the country. Nagi's dream of becoming the best, alongside Mikage Reo, will take this prodigy to a world he's never known.