A three-year-old girl also known by her nickname YaoYao. She was kidnapped by a trafficker and was found at Yankou Station. She initially clung to Lin Yunchu calling her Mom, then recognized Gu Jiashi as Uncle Jiashi. She is the youngest daughter of the Pei family. She stopped speaking after once accidentally calling someone Mom and getting scolded. She is being raised by her grandmother Grandma Pei while her father Pei Huaiyuan is away on a military mission.
