An old forensic doctor from Shanghai with nearly 40 years of experience in forensic work. He has handled thousands of cases and is nationally renowned. He initially had low expectations of Su Ya because she was a young girl but was amazed by her autopsy report and evidence analysis. He values talent and invited Su Ya to be his apprentice at the Demon City Provincial Public Security Bureau. He warmly called her Xiao Su after reading her work and was eager to help her transfer her organizational relationship.
