S1, A1: Miyabi Tachibana, 39, is beautiful, intelligent, and successful. At her high school reunion, her former classmates gather around her to bask in her brilliance, but their looks of awe turn into pity when they learn she is still single. Miyabi insists she is single by choice, but the experience leaves her shaken. That night, Miyabi goes to an expensive restaurant with her unmarried friends, and they have a good time poking fun at men. The restaurant chef and owner, Seiji Tokura, listens in disdainful silence but eventually snaps when they unwittingly disrespect his dishes. He berates the women and calls Miyabi a textbook example of a woman who will never be able to marry. Deeply offended, Miyabi seizes her chance to prove Tokura wrong when she runs into Sakurai, her old high school crush.