One Piece is a popular Japanese manga and anime series created by Eiichiro Oda. It follows the adventures of Monkey D. Luffy, a young pirate with the ability to stretch his body like rubber after eating a Devil Fruit. Luffy dreams of finding the legendary treasure known as the One Piece and becoming the King of the Pirates. The story is set in a vast world filled with islands, seas, and various pirate crews. Along his journey, Luffy gathers a diverse group of friends known as the Straw Hat Pirates, each with their own unique abilities and dreams, as they face powerful enemies and uncover the mysteries of their world.