Married life for twenty years. Chisato lived a plain but happy life with her husband and son (Haruhiko). Her only complaint was that her husband had little sex drive. Originally, Chisato had a strong sex drive and found it unbearable, feeling like she might go mad from not being satisfied. One day, while she was pleasuring herself, Haruhiko saw her and attacked. Chisato's body began to tremble obediently and lewdly as she was raped, and having gotten a taste of it, Haruhiko started using aphrodisiacs to train Chisato. Days of repeated molestation... gradually, Chisato's body and mind...
