A renovation worker who was contemptuous of Xia Sisi, calling her just a little girl. He swapped her expensive anti-corrosion materials and later attempted to break into her apartment by picking the lock. He turned out to be a wanted criminal on the run for many years after committing murder, with a 200,000 yuan reward on his head. Dahei pinned him down when he broke in, and the police arrested him. He threatened Xia Sisi before being taken away.