Created by Minato Soft, this story is inspired by a Visual Novel. Ren Uesugi and his sister, Mihato, are forced to leave their home due to family issues. As they settle in the city, they struggle with financial constraints. Fortunately, they manage to secure employment as servants in the grand Kuonji mansion, serving the three Kuonji sisters - Shinra, Miyu, and Yume. By working as servants, Ren gains access to the other mansion employees and the Kuonji sisters' social circle.