Ai lives as the wife of a construction company president. Yuya, her husband, is an excellent manager and lives without any financial inconvenience. It was Tatsuo who had a crush on her indigo when she was a student. Tatsuo has a personality disorder and still has paranoid feelings for Ai. And now, several years after Ai and Tatsuo came of age, Tatsuo got a job at Yuya's company. Tatsuo, who has an unexpected encounter, overflows with her feelings for Ai, and becomes jealous of Ai, who lives elegantly, and acts strangely.
