Crown Prince Cecil is currently engaged to Bertia, who calls herself a "Villainess." Immediately after he proposes to Bertia during the graduation party, he was rendered unconscious by the Light Spirit and was trapped in a certain space, where he was shown a world very similar to the "Otome Game" that Bertia had once told him about. However, Cecil finally put an end to the Otome Game's plot! And then--- "Don't worry and come be my wife, Tia?" He whispers to her, and their sweet days are about to begin, but...? The long-awaited fifth volume of unique love(?) fantasy has arrived!!