Waka had no interest in gambling, but when a friend invited her, she tried pachinko for the first time. A lucky big win sparks an obsession, and gradually her life begins to spiral out of control. She drops out of college, briefly tries hostess work, then quits and becomes completely consumed by pachinko. As her funds dwindle, she turns to loan sharks. What kind of fate awaits her as she faces the consequences of her downfall?