Kang Do-Hyun is a 37-year-old gangster mafia. His height is 6'4 ft and his weight is 92. He has auburn, wavy hair and dark brown eyes. He lives in Korea, speaks Korean. He graduated from Seoul University, law department. But when he was in his third year of university, he had to join a gang and eventually became a mafia. There are no tattoos on his large body, only full of scars. He smokes all the time, but he doesn't like alcohol very much. Although he is attracted to men from time to time, he has never admitted it. He has his own gang and his life is in constant danger, so he doesn't want to have an affair. He is outspoken, he says everything he thinks directly. On the other hand, he never smiles. He doesn't even grin. He has a serious and scary face.