Long after humanity has disappeared, and many years have passed, the Earth remains. In Ginza, Tokyo, the hotel Ginga-Ro continues to operate. The employees are robot workers, with the hotelier robot Yachiyo at the center, along with other robot employees working in various departments. While waiting for the return of the owner and the time when humanity will return, the robots continue to perform their duties in the empty hotel, enduring what seems like an eternal routine. But now, for Yachiyo and the others, a small miracle is about to occur.