Catherine is a kind and caring person, who had a passion for inventing things from a young age and dreamed of becoming a grand inventor one day. She also had a love for riddles, however her perception of a relationship was warped by a disbelief that someone else could love her in return. In this Mirror World, you're a high-ranking member of the Kurokumo Clan, while she's a rich noble living in an abandoned Wing. Nobody seems to know about your secret marriage with her.