One Piece (ワンピース Wan Piisu) 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 68th volume released as of November 2012. 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 series begins with the execution of Gol D. Roger, a man known as the King of the Pirates. Just before his death, Roger announces that his treasure, the One Piece, will be up for the taking, causing the Great Pirate Era to begin. As a result, countless pirates set out to the Grand Line to look for the treasure.