Shino, the granddaughter of a wealthy Kyoto family, married Kitagawa, an elite bureaucrat, 21 years ago. Shino was very happy, but serious problems began to arise in Kokoro and body. Something strange happened to her body... She could not help but feel an ache deep inside her uterus. She was tormented by the question: Am I such a lewd woman that I cannot be satisfied with her husband's sex? Then tragedy strikes. A man comes to visit her while her husband is away on a business trip. The younger man is Sawatari, a salesman who has been visiting her enthusiastically recently...