Also called Xiao Zisu or Big Zisu, the three-year-old elder daughter of Lin Yongcheng and Bai Ji. She is lively, spirited, and already acting responsible by taking care of her baby sister. She was kicked out along with her mother and sister by Old Lady Lin. She is upset that her father seems to ignore her and her sister. She insists on being called Big Zisu now since she is the big sister.
