A Zi's younger sister is Ah Zhu, one of the heroines in Jin Yong's martial arts novel "Eight Dragons", the eldest daughter of Duan and Ruan, and one of Mr. Murong's maids in Gusu, who lives in "Listening to the Fragrant Waterside Pavilion" and is good at changing her face.
She is beautiful and handsome, naughty, quaint and considerate, and smart.