As their son Takumi grew older, Ayano and her husband gradually became sexless. Ayano's sexual frustration built up over time. Meanwhile, she discovered her husband's infidelity. She couldn't forgive him for satisfying his desires with another woman while neglecting her, but she didn't divorce him because of Takumi. However, once Takumi started college and moved out on his own, the couple's life together reached its limit, and they began living apart with divorce in mind. Ayano was waiting at the station to meet Takumi and tell him about their impending divorce.
