As the Straw Hat Pirates prepare to finally enter the Grand Line, they each reflect on the many adventures that brought them here.

Sakuragi Hanamichi is a junior high punk used to getting into fights and being rejected by girls but upon entering high school he meets the girl of his dreams, Haruko Akagi. He will do anything in order to win her heart including joining the school basketball team that is aiming to conquer the nation lead by Haruko's brother. The problem is that Sakuragi has never played basketball before and a freshman sensation is stealing the spotlight and Haruko's affection from him.