In future Tokyo, a young woman in the privatized police force tracks down her father's killer while battling against mutant rebels known as engineers.
Nobuto, a dedicated boxer, can't seem to win a match, while his friend Kazuki is becoming a rising star and may win the championship. Meanwhile, Kazuki is engaged to Chika, Nobuto's first love.
Shiori Higuchi works at a town hall in Yakushima Island. She is in charge of a plan to hold a concert for the famous Tokyo Wind Orchestra. 10 members of the orchestra from Tokyo arrive on Yakushima Island, but they are not from the famous Tokyo Wind Orchestra.