Everyone thought Queen Nova's fury was irrational, but they could understand her loss, especially those who knew her too well. This Queen Mother lived a sad life. Her Nova Clan sees her simply as a weapon for controlling the Imperial Family. They married her to Cale Meijer von Imperlian so she could control him, but she failed and she was no longer useful.
Her father exploited her as a subject for human experimentation when she failed her duty of controlling the puppet ruler. Nobody in the Royal Family is interested in her. Former Emperor Cale also avoided her and did not even touch her after they married. Because she is an adversary to the Emperor, he must never let his guard down.