Yukine lives a lonely life with her husband being single and his son also standing on his own. One day, when she was bored with her unexciting life, Yukine, who was working as a janitor, met Yutaka, a young employee who works at the same company. Yutaka secretly peeks at Yukine as she changes clothes in the changing room, and is glued to the glamorous body of Yukine, who is usually a sober cleaner. And two people who are one year apart from each other suddenly get close to each other. Yukine, who secretly seeks thrills in the company and Yutaka's young and strong body...
