Yang Manman is Gu Yunting's wife, Gu Jia Ning's elder sister‑in‑law. She is kind and hardworking, making ginger tea for Gu Jia Ning after the river incident. She has been married for three years without conceiving, suffering from severe Cold Palace with only a 3% chance of pregnancy. When she learns from Yao Chunhua that Gu Jia Ning has a method to treat infertility, she becomes hopeful and asks to be treated. She becomes the first patient bound to Gu Jia Ning's system.