Des：Ai lives as the wife of the president of a construction company. Her husband, Yuya, is an excellent businessman and lives without any financial difficulties. It was Tatsuo who had an unrequited love for her when she was a student. Tatsuo has a personality disorder and still has paranoid feelings towards Ai. Now, several years have passed since Ai and Tatsuo became adults, and Tatsuo started working at Yuyas company. After an unexpected encounter, Tatsuo overflows with his feelings for Ai, becomes jealous of Ais elegant life, and begins to act abnormally...