Jiang Liuying is a female character who appears in the online light novel "The Daily Life of the Immortal King" and its spin-offs created by Ku Xuan.

She is the leader of the Shadow Faction, an assassination organization, who targets Sun Rong, Zhuo Yi, and her sister, Jiang Liuyue. Her youthful appearance is the result of special techniques that allow her to maintain her youth.

(Source: The Daily Life of the Immortal King Wiki)