Kuroki who taught Sei psychology at a university brought up two daughters alone. The Yuri of Ran and the Younger Sister of the Elderly Sister was done by study materials of father since I was young and was brought up to accept what kind of sex desire of Kuroki, and the Sisters received indecent Taming when were called each almost every day by the room of father…. The fate of the metamorphic Lesbian Sisters which I thought handling such as the Sei Slave to be "Ai", and grew up…! ?