Volume 4 of the Japanese manga "One Piece (wan pisu)" in its original version.
The story follows the adventures of Monkey D. Luffy, a boy whose body gained the properties of rubber after unintentionally eating a Devil Fruit. With his crew of pirates, named the Straw Hat Pirates, Luffy explores the Grand Line in search of the world's ultimate treasure known as "One Piece" in order to become the next Pirate King.
One Piece has received praise for its storytelling, art, characterization, and humor. Several volumes of the manga have broken publishing records, including the highest initial print run of any book in Japan. The official website for Eiichiro Oda's One Piece manga announced that the manga has set a Guinness World Record for "the most copies published for the same comic book series by a single author". As of May 2018, the manga has sold over 440 million copies worldwide, making it the best-selling manga series in history. It became the best-selling manga for the tenth consecutive year in 2017.