Twenty-one years ago, Shino, the granddaughter of a wealthy family in Kyoto, married an elite bureaucrat named Kitagawa. Shino was very happy, but she began to experience significant issues with her mind and body. Her body felt strange... She couldn't help but feel a throbbing deep within her womb. Was it true that she was such a lustful woman that her husband's sex couldn't satisfy her? She agonized over this. Then tragedy struck. While her husband was on a business trip, a man came to visit. The younger man was a salesman named Sawatari who had been coming around recently...
