One Piece, Chapter 400 : The Key To Release

One Piece (Japanese: ワンピース Hepburn: Wan Pīsu) is a Japanese manga series written and illustrated by Eiichiro Oda. It has been serialized in Shueisha’s Weekly Shōnen Jump magazine since July 22, 1997, and has been collected into 94 tankōbon volumes.

There once lived a pirate named Gol D. Roger. He obtained wealth, fame, and power to earn the title of Pirate King. When he was captured and about to be executed, he revealed that his treasure called One Piece was hidden somewhere at the Grand Line. This made all people set out to search and uncover the One Piece treasure, but no one ever found the location of Gol D. Roger’s treasure, and the Grand Line was too dangerous a place to overcome. Twenty-two years after Gol D. Roger’s death, a boy named Monkey D. Luffy decided to become a pirate and search for Gol D. Roger’s treasure to become the next Pirate King, One Piece.