Male supporting character, Gu Yu's professor. He is not old, wears glasses, and exudes a gentle demeanor. He teasingly scolds Gu Yu for always claiming he was married before, thinking it was an excuse, but is now pleased to meet Yan Zhao. He invites Gu Yu and Yan Zhao to his home for a meal with his wife, who arrived from their hometown. He also mentions a matter he wants Gu Yu to consider now that his partner is present.