After losing her parents in a tragic traffic accident, Koto develops the ability to communicate with the souls of the dead. Hospitalized for extreme trauma, Koto escapes to return to the place where her parents died. There she meets Shinji, whose lover also died in a car accident, and they begin a torrid and tempestuous affair. The pair embark on an illicit and terrifying journey heightened by lust and death.
Machiko Matsuoka is a high school music teacher who lives with Keiko, her older sister with a bad leg. They were close once, but Keiko became disabled in an incident. Believing that Machiko was the cause, Keiko has treated her like a slave ever since. Machiko has done everything she says, but her frustration has accumulated. One day, Machiko begins a secret relationship with her student.
In the sequel of this naughty fantasy, Koto recovers from her attack with the help of a doctor. But soon she is forced to fight the black demons in order to protect her new friends.
