Kasumi Igawa's daughter, Kyoko, has fallen in love and started living with her boyfriend, Taro, leaving Kasumi feeling uneasy about their relationship. Today, Kasumi heads to Taro's place to pick up Kyoko. During their conversation, Taro speaks earnestly, easing her worries slightly. However, he then asks her to teach him how to handle women properly. Thinking of her daughter's happiness, Kasumi agrees—but the sensation of a young man's touch, after so long, proves far more intense and thrilling than she ever imagined...