In this intriguing novel, Michima Shin, a struggling author, returns home to find a mysterious woman occupying his residence. She has been invited to live there in exchange for a substantial monthly rent of 1,000,000 yen, under the condition that Shin must not pry into her private life or enter her room. He is also expected to provide for her needs, including meals and errands. As the story unfolds, four more women arrive at the residence, each with their own story and secrets. The question remains: how can these women afford the arrangement, and why would they agree to such an unusual and restrictive living situation? As Shin becomes increasingly entangled in the lives of these enigmatic women, he begins to unravel the complex web of circumstances that brought them together. But who is behind the entire scheme, and what are the true motivations of the mysterious individuals involved?