A tale of delinquent and lazy school girls. In their efforts to cut remedial summer math class, they end up poisoning and replacing the school's brass band.

1988 film by Shūsuke Kaneko

Shinji and Masaru spend most of their school days harassing fellow classmates and playing pranks. They drop out and Shinji becomes a small-time boxer, while Masaru joins up with a local yakuza gang. However, the world is a tough place.