旧家の本家に呼び出された令嬢が当主の強引な猥褻な行為に快楽を感じ始め性奴隷へと転落する序章

The famous old house, the Etomutsuki. The family head is decided once every 12 years, and the current head of the family, Mamu, convenes a clan. Mamu’s second son, the late wife, Sawako (Kaho Kasumi) and his daughter, Maiko (Hibiki Otsuki), also gathered. Maiko recommends her mother, Sawako, to the head, but Mamuji and his eldest son, Ushisaku, stand in front of her mother and daughter in an obscene trap. And, with the next speculation, the mother and daughter who wake up to pleasure and fall into a female whore. The secret hidden in Maiko’s birth is also revealed …