Fujun na seifuku: Modaeta futomomo.

On graduation day, Hiroko celebrated her graduation alone. It was a compensated dating encounter in a love hotel room... With no plans for after graduation, Hiroko, along with her childhood friend Hanamaru, takes the gun left behind by her older brother figure, Shinichi, and commits a robbery. They head straight for the Sea of ​​Japan... There, they find Hiromi waiting for Shinichi, who is behind bars.