A lanky teenage boy who is not yet eighteen years old. He was sent by Third Brother Lu Zheng to check on Shen Jiaqi because Lu was worried about her. He ran to get the Public Security officers when he saw Shen Jiaqi being kidnapped. He is loyal, emotional, and deeply cares about Shen Jiaqi's safety. Also referred to as Yi Goudan in some parts of the text.
