Chihiro works as a nurse to support her son as he studies hard for the entrance exam to medical school. However, he is not sure if he will pass the exam, so she accepts the director's deal and gives her body to him. She becomes addicted to lewd acts with him even during work. She is suddenly cut off from the director. Chihiro comforts her hot body. However, by chance, she meets the director's son and is forced into a relationship. It was all part of his plan...