A bun shop owner in his fifties, Grandma Li's cousin's son. His wife passed away early, and he raised his son alone. His son is now a professor at C City University and wants to take him to the city, but Old Li Er refuses to admit he is old. He is the first to secretly feed Hongyu out of pity for Grandma Li. He interacts with Hongyu during her market patrols and praises her when she shares food with the golden retriever.
