5 short stories of family and friends of Yukiko. The first is Yukiko's mother who marries a younger man from a host club, second is a adjunct professor friend and a student, third is a cousin looking for an arranged marriage (told in 2 parts), fourth is a classmate who decides to become a housewife, and finally is her grandmother and her mother who have affected her. It's all complicated and messy, like real life.