Male, a bright and cheerful young man who grew up in the same courtyard as Zhou Qinglang and both worked at the research institute. They are brothers who have been through life and death together. He was sent on a mission when Zhou Qinglang disappeared and took the initiative to search for him, finally finding him after nearly half a month. He is deeply worried about Zhou Qinglang and helps him by contacting a relative in the town's public security to look after Lin Xiaodou.
