Ashina and her husband, who was laid off, live with her father-in-law at her parents' home. When her father-in-law sees her kissing an old man who comes to visit, the young wife is raped by him. Since then, she is trained every night with a vibrator. The young wife's body becomes more sensitive, she is made to climax, and she is transformed into a sexy woman. Not only does he enjoy it himself, but he also takes advantage of her responsive young body and gets everything he wants.