A married woman named Hana works as an instructor at a gym in the countryside. Her relationship with her husband had grown cold, but she hid this fact from the town. Then, introduced by a certain housewife, a middle-aged man named Ipppei starts coming to the gym. As Hana guides him daily, she becomes attracted to Ipppei and begins to seduce him with her toned body. Thus, an affair unfolds in the town, and Hana and Ipppei become deeply engrossed in their illicit relationship, feeling a sense of taboo…
