Trained to be a killing machine all his life, Mingyu finds that perhaps his father's apathy and toughness failed him in the face of 12 men who show him what it's like to be human. Or:- Mingyu, raised in secret in one of the biggest gangs in South Korea, and the leader's son, is tasked to infiltrate Moons, the notorious vigilantes who're rapidly climbing to the top of the ladder of the underbelly of Seoul. Why? To bring down the whole operation. //updates irregular