Sexless: The Reason the Plain Wife Resorted to an Affair

Mikami Riko is 34 years old. Her marriage is sexless. She is distressed by the fact that her husband, Kiyoshi, is not interested in their sex life.
Meanwhile, Gotou Toshiaki married a beautiful wife ten years younger than him. He, too, was fed up with a sexless, loveless life.
Then one day, a class reunion was held, and Riko was reunited with Toshiaki, whom she had dated during her student days. As they confided their dissatisfaction with their respective marriages to each other, they rapidly grew closer and eventually entered into a physical relationship. While being aware they were doing something wrong, the affair continued to drag on.
Disappointed in her husband, who has no intention of having children, she eventually awakens to a certain desire.
“I really want my own child after all. If my husband isn’t interested, then I might as well…”​