The protagonist who transmigrated into a novel. Formerly a criminal investigator in her past life who died in an explosion. Now inhabits the body of County Princess Yunyang, daughter of Marquis Linchuan and Grand Princess Yichuan. She is dearly loved by the Empress Dowager. In the original novel, this character was the scheming antagonist who framed the female lead Lu Roujia, became obsessed with Cui Muzhi, and was eventually killed by him. After transmigrating, she uses her investigative expertise to defend Lu Roujia and uncover the true murderer of Cui Wan.
