Pirate Warriors follows the adventures of Monkey D. Luffy, a young boy who accidentally eats the Gum-Gum Fruit and organizes a diverse crew of pirates called the Straw Hats to search for the titular treasure. On his journey, Luffy makes several of friends, and battles a wide variety of villains. Source: Wikipedia, "One Piece: Pirate Warriors", available under the CC-BY-SA License.