He Hansheng's cousin (his aunt's son) and a skilled doctor specializing in stomach problems. Observant and teasing, he correctly guesses that He Hansheng's stomach pain is caused by emotional distress over Xu Xingran. He advises He Hansheng to cherish Xu Xingran, noting that her seven years of passionate, pure, and unwavering love should not be taken for granted. He admires Xu Xingran's perseverance and hopes He Hansheng does not lose her.