Hikaru, a wife who lives harmoniously with her husband and his parents. Her mother-in-law says to her, 'I want to see my grandchild's face,' but in reality, Hikaru is troubled by her inability to be positive about sex. When she consults her father-in-law, he admonishes her, 'You haven't experienced the joys of sex yet.' For the sake of her husband and mother-in-law, Hikaru decides to accept her father-in-law's 'intimate training'...
