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The world's greatest exposition of the pirates, by the pirates, for the pirates—the Pirates Festival. Luffy and the rest of the Straw Hat Crew receive an invitation from its host Buena Festa who is known as the Master of Festivities. They arrive to find a venue packed with glamorous pavilions and many pirates including the ones from the Worst Generation. The place is electric.
While Luffy and his crew of Zoro and Nami are starving on their small boat, they are attacked by a large monster. Nami is taken away, while Luffy and Zoro wash up on shore. There they meet a young girl, Medaka, and learn of the sad history of the island. The evil Pirate Ganzack has taken away all the men in the village and enslaved them, including Medaka's father. Now Luffy, Zoro, and Medaka must infiltrate Ganzack's base in order to rescue the villagers and Nami.
This is the story of Coco, an orphan kid who wanted to be a pirate, and his role model, "Crazy" Barts, a pirate without a port who is feared by the peasants but despised by the other pirates.
Who says pirates can only be cutthroats and bloodthirsty pagans? Meet Kid, the world's most notorious pirate and womanizer, and his rowdy crew that consists of not only pirates but also a priest and a mermaid?!