This drama is adapted from the novel of the same name. It tells the story of Michiru Gamo who appears in front of Kyoko Nonomiya, who works at a small consulting company, 17 years later. Facing the employees around her who are shaken by her beauty, she suddenly tells them that she has bought the company and fired all the employees except Kyoko. In an office with only two people, Michiru stares at Kyoko. The secret of the incident 17 years ago that only the two of them know once again emerges before their eyes...