Kano Ichikawa, who moved from the countryside for her new job, encounters a problem when she is unable to move into the room she signed a contract for due to a mistake by the real estate agency. However, a senior employee, Satoshi Takase, learns of the problem and kindly allows Kano to live in his room for a month. The two decide not to get to know each other more than necessary so that the company will not find out. This is a thrilling, high-stakes office love story that begins with secret cohabitation.