Young Wife with an Insatiable Appetite for Sex, Finds New Partners While Her Husband Is Away.

After several years of dating and marriage, "Yu," the wife of a man with whom she had a picture-perfect life, was in love with her good husband, who was very faithful and cared for her with all his heart. She finally got used to her new life and started to think that it was time to have a baby. During this time, she is left alone with her husband's father, Shigeo, who lives with her. He is supposed to be a gentle, mild-mannered, quiet father-in-law, but...