housekeeper slave

Yuki was raised with care as the only daughter of a medical practitioner. However, her father's medical error at the hospital takes a turn for the worse, and Yuki ends up working under her father's fellow doctor, Kurita. One day, Yuki becomes lustful for the strong body of Kurita's son, Kaoru. Even after masturbating, the sexual desire overflows. Kaoru senses her hunger and forces Yuki to play with her body violently, which awakens Yuki's sexual desire that is greater than that of a human. At that time, a man who calls himself a lawyer comes asking for Yuki...