Eldest legitimate daughter of the Xiao family. She has been reborn with memories of her previous life where she married Prince Zhenbei, Mu Hanhe, and froze to death during exile after he was falsely accused of treason. In that life, she learned that Prince Ning actually became emperor and Xiao Guiwan became Empress. Determined not to repeat her mistake, she chooses Prince Ning and deliberately arranges for Xiao Guiwan to marry a poor farmer named Ye Daniu.
