Kuhei, who works as a guard at the Rokkaku Prison House (currently a prison) in Kyoto, has a mysterious ability. The ghost of his late wife, Mio, tells him about the various dangers that occur around him. Using this ability, Kubei and his fellow guards overcome repeated crises! One day, he meets a moneylender called Kon. She is a stingy girl, but she ends up having a physical relationship with her virginity...!?