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Many years before his showdown with Luffy, the 'Gold Lion' Shiki came face to face with the most legendary pirate of them all: Gol D. Roger. On one fateful day the two fearsome captains clash in a fight known as "The Great Battle of Edd War" and Shiki and his pirates are forced to flee the battle, regrouping later on. However, when Gol D. Roger is captured three years later, Shiki refuses to accept it and decides to go up against the navy to stop his execution and claim the pirate king’s life himself...
The world’s boldest buccaneers set sail for the great Pirate Festival, where the Straw Hats join a mad-dash race to find Gol D. Roger’s treasure. There’s just one little problem. An old member of Roger’s crew has a sinister score to settle.
Raised by cats until he was five, Yamato Delgato's only dream was to play B'Daman - the official sport of the B'DaWorld. His dream comes true when he's chosen to wield the most powerful B'Daman ever, the legendary Cobalt Blade, as only he has the skills to harness its power. This is his journey into the world of B'Daman as he learns valuable lessons and also tries to save the B'DaWorld from the evil clutches of the Shadow Alliance.
After the defeat of the Shadow Alliance, Yamato is in search of special B-Da Balls called Strike Shots, which originated from shooting stars. After a fight with the mysterious Haja and he obtained his Strike Shot, the Drive Shot, Yamato then met Gunnos, a rookie B-DaPlayer and got his own Strike Shot to participate in the Winners Tournament along with Yamato's old friends and rivals. But little they know that a terrible evil is about to put the B-Da World in peril once more.
No sooner have Luffy and crew escaped the bounty hunters of Whisky Peak than they become the target of a sinister criminal outfit known as Baroque Works. But the Straw Hat pirates have bigger worries, now that they've agreed to protect a very important person in return for untold riches.