A ruthless hired killer who roams the underground world, but still has his own moral code. At the request of the relatives of a missing child, he tracked down a pedophile. However, he used brutal kidnapping methods for torture, so he was misunderstood as a gangster uncle.
The character in the play is positioned as an “anti-hero”, and was eventually killed and possessed by another special infected person, who took Cha Hyun-soo away.