One Piece is an anime series that follows Monkey D. Luffy, a 17-year-old boy whose body gains the properties of rubber as he crosses over to the other side of the Grand Line in search of a treasure left by his late father. One Piece is a long-running manga series written and illustrated by Eiichiro Oda that has been serialized in Weekly Shonen Jump magazine since July 19, 1997. The story of the manga follows Monkey D. Luffy, a young man who wakes up on a strange island after being defeated by its criminal king. With the help of a pirate crew led by his brother, Luffy explores the sea in search of the One Piece before taking on the pirates who betrayed him and reigning as the king of the Grand Line.