Also known as Little Bai Guo or Fishy, a lazy but fiery-tempered little girl who is Xiao Zisu's younger sister. She is the granddaughter of Bai Zhu/Doctor Bai. She has a strong aversion to stink bugs and once threatened to pee on people as revenge. She recently started asking for hugs from her grandfather for the first time. She is described as having soft fair skin and a scent of milk on her.
