As her sons grew older, Ayano and her husband gradually became sexless, and Ayano's frustration only accumulated. Meanwhile, her husband's affair was discovered. - She couldn't forgive her husband, who didn't deal with her and satisfied her sexual desire with another woman, but she didn't just think about Tatsumei and divorce her. However, Tatsuaki became a university student and began to live alone, and the couple's life alone was at its limit, so they began to live separately on the premise of divorce. Ayano was waiting at the station to report the divorce to Tatsuaki.