The Black Rose House is a Western-style mansion quietly nestled deep in the mountains.
Three beautiful women live there, and college student Ryohei Takamiya is assigned to stay for a week as a tutor.
As he spends his time there, he finds himself at the mercy of the lewd temptations of these sex-starved women.
As soon as he arrives at the mansion, Takamiya is played with by the devilish student Maria and her mother Marie, the bewitching owner of the mansion.
The door to the Black Rose House is now opened...