The Saki of the humanoid robot which appeared in the home of Shota of the gloomy person who was Cherry Boy suddenly from a factory of the Saturn. Only as for the Koto that the mission of the Saki teaches a lonely Cherry Boy man SEX. As for the robot, there is not usually the Koto with feelings called "the Ai". However, the Saki was a defect product for a robot by a trouble at the time of the completion…