The story tells the behind-the-scenes story of the proprietress of Guangyue An, Kyoko Takatsuki (Arisa Kanzuki). As Nansakura (Hamabe Miami)\’s \”powerful enemy\”, what kind of thoughts is hidden in this powerful character? In order to make things go according to his own wishes, he called characters that could be used as chess pieces to his room in turn. Once you enter, you will immediately be entangled in the \”women\’s room\”. Do you want to snoop too? Maybe there is a clue to solve the mystery…