Xie Zhi's teacher, addressed as Guan Xiansheng. He is lean with stubble on his chin, dressed simply but carrying an unmistakable scholarly aura. He has deep roots in Qingcheng. He arrived at the police station holding a black umbrella in the rain. He chuckled and stroked his short beard, showing a gossip-loving personality. He had sympathy for Yuan Ling's situation while also dealing with his own prized student being detained.
