As her son Tatsuaki grows older, Ayano and her husband gradually become sexless, and Ayano's frustration only grows. - Meanwhile, her husband's affair was discovered. - Although she could not forgive her husband for satisfying his sexual desires with other women instead of treating her as his partner, she thought of Tatsumei and did not divorce him. - However, when Tatsuaki became a university student and began living alone, living as a married couple was at its limit, so they began living separately with the intention of getting a divorce. - Ayano was meeting Tatsuaki at the station to inform him of her divorce.