The protagonist, also known as the Commandery Princess and Third Sister of the Yu family. She died and returned from Huangquan Cun, now possessing Black Qi and Gui Qi powers. She can transform straw dolls into puppets, create needles from Black Qi, and inflict pain on others through supernatural means. In her dream, she was called Xiao Shi, suggesting a past identity. She appears invisible to most living people and seeks revenge on her family members who wronged her.
