Thinking it's too early to have children, Nachi and her husband decide to live with her father, who is careful to use contraception. Nachi's father-in-law peeks at her body and attacks her without thinking. When she begs him to use contraception, his father-in-law takes her anal. After her father-in-law's painstaking anal training, Nachi learns a different kind of pleasure. There's no turning back now...
