One Piece (ワンピース, Wan Pīsu) is a Japanese shōnen manga series written and illustrated by Eiichiro Oda. It has been serialized in Weekly Shōnen Jump since August 4, 1997; the individual chapters are being published in tankōbon volumes by Shueisha, with the first released on December 24, 1997, and the 69th volume released as of March 2013. One Piece follows the adventures of Monkey D. Luffy, a young man whose body gains the properties of rubber after unintentionally eating a Devil's Fruit, and 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.
The chapters have been adapted into an original video animation (OVA) produced by Production I.