Mari is a gorgeous girl working In Pachinko Centre “SEVEN”. One day, Yamazaki, a food chainstore tycoon proposes to take over the Pachinko Centre to build a food mial. Mari strongly objects to this idea because this Pachinko Centre is the place where she often played with her father in childhood. To reserve her good memory of her father in childhood. To reserve her good memory of her father and a hope to see her father again in this Pachinko Centre, she has to win in the Pachinko Game Competition. White there’s a story behind Yamazaki’s intention to take over this Pachinko Centre…

Reiko Mizukami (Akari Hoshino) has finally become the teacher she always dreamed to be. She finds herself always sleepy for unknown reasons, day or night. When she falls asleep in her class, this starts a series of dreams full of erotica to the point where she's unable to discern her dreams and the reality. She has been trapped in an obscene world...