One Piece (Japanese: ワンピース ) is a Japanese manga series written and illustrated by Eiichiro Oda. One Piece follows the adventures of Monkey D. Luffy, a young man whose body gains the properties of rubber after unintentionally eating a Devil Fruit. With his diverse crew of pirates, named the Straw Hat Pirates, Luffy explores the ocean in search of the world's ultimate treasure known as "One Piece" in order to become the next Pirate King.