Fujita Mami is a divorced office lady who has been living her life trying to be "normal" by holding back her feelings and everything she wants. After her divorce, Mami decides that she wants to be with someone whom she does not need to lie about her feelings. Mami shares that she "doesn't want love and marriage, and only wants a man who will be with me whenever I need him!, but the people around her do not understand. One day, Mami meets Nakamura Shugo, a divorced man who is also Mami's junior high school classmate. The two hit it off and begin a relationship that is neither lovers nor a family.