Aiko and her husband get along well, but they haven't had intimate relations in about ten years. She was starting to feel like she was fading away as a woman. However, after they started doing cleaning duty together at the neighborhood association, she developed a good relationship with the neighborhood association chairman and he started fulfilling her sexual needs in place of her husband. But then, the chairman suddenly stopped coming. She was devastated to learn that he had passed away unexpectedly. One day, her husband brought a subordinate home. While the subordinate was showering, she couldn't help but sniff his underwear...