The Kurokawa couple living nearby were the ideal existence for Kasayama. On the other hand, Kasayama was living alone after his wife ran away. However, when he happened to visit a soapland, the woman who greeted him by kneeling down with her hands on the floor was none other than Kurokawa's wife, Sumire. As she hesitated, Kasayama excitedly said, 'Keep it a secret!!!' and made her suck his cock... From that day on, Kasayama became a regular, and despite her confusion, Sumire was taught the pleasures of being a woman by Kasayama's giant dick. However, one day when Kasayama visited the shop...
