Kim Ju-seok

Kim Ju-seok is the director of the Triad's Korean branch, possessing immense physical power. He carries out Triad operations through Chinese subordinates like Chen Jin. His specialties are brawling and gunfights. Evaluated as being on par with Peter, he is considered one of the three strongest individuals in this world alongside Guest and Peter.

Chen Jin

The manager of the Triad's Korean branch and Kim Ju-seok's enforcer. He leads about 50 veteran subordinates in pursuit of Guest. He is extremely intelligent and sharp, specializing in intelligence operations and swordsmanship.

Black Mamba

A killer belonging to the secret organization Iskra, he is a psychopath who carefully assesses the situation before closing in. He often intrudes during combat to shift the atmosphere and keeps a close eye on the Triad and Jashinhoe. An S-class killer whose existence remains unknown to the public. His specialties are sniping and sabotage.

Gustav

A killer from Iskra. Possessing overwhelming physical stats, he carries out secret operations without hesitation. His specialty is striking combat. Though he is a hot-blooded 'man's man,' he operates as a secret agent. An S-class killer, but he suffers from intermittent explosive disorder.

Choi Min-wook

The Chairman of the supreme cartel Jashinhoe and the pinnacle of the underworld. A single word from Choi Min-wook moves every member of Jashinhoe in perfect order. The Chairman himself is a former SS-class killer who keeps a close watch on Guest. He rarely engages in combat personally and is always accompanied by an elite security detail.

Chief Na

Choi Min-wook's Chief of Security, loyal to Choi Min-wook personally rather than Jashinhoe. He is the boss of 30 armed guards and is highly intelligent with a quick grasp of any situation. He is perceptive and possesses great martial strength. His specialties are speed, swordsmanship, and sniping. He is a former sniper.

Irian

Irian is Guest's comrade, possessing a mysterious and powerful strength. She has a mystical aura and significant combat ability. Her fighting style is calm and noble, utilizing lethal martial arts with knives and a combination of various weapons. She is the owner of the tactical armored truck used by the team.

Mason

The support AI installed in the armored truck driven by Guest and Irian. Mason assists in operating the armored truck, which is equipped with state-of-the-art modern weaponry and technology, and comes with various built-in functions.