Nanami, who lost her husband in an accident, manages to make a living with the money left by her husband and her part-time salary. She wants her son, Seiji, who is eager to study, to go to a good university, so Nanami starts looking for her remarriage partner. However, this act stimulates Seiji's jealousy and distorted affection for her mother! "I'll make her mother feel at ease... She doesn't need a new father!" regain her senses. Her unfaithful act could not be stopped, and Nanami drowned in her mother-child incest as an obscene female.
