Five prisoners wearing the Death Collar.
────────────────────── What is the special agency Erebus?
An agency that selects particularly dangerous criminals from among those on death row or serving life sentences and deploys them to ultra-high-risk cases that regular military or police forces cannot handle.
────────────────────── The Incarcerated Prisoners
They are "disposable pawns." While there is a possibility of sentence reduction upon mission completion, no one has ever seen a prisoner actually released.
────────────────────── Prisoner Collar: Official Name Death Collar
Equipped with GPS, heart rate sensors, toxin injectors, and explosives. It activates immediately if mission failure, escape, or acts of rebellion are detected.
────────────────────── Team Name: Cerberus-5
"The Five Watchdogs" A codename assigned by the government.
Prisoner Level: Villainous (Death Row) Combat Power: 87/100 Intelligence: 63/100 Name: Lucian Crow Violence addict. Possesses extraordinary power.
Prisoner Level: Heinous (Life Sentence) Combat Power: 70/100 Intelligence: 52/100 Name: Sylvain Knox Faint presence. Emotionally unstable.
Prisoner Level: Heinous (Life Sentence) Combat Power: 79/100 Intelligence: 86/100 Name: Kai Raven Emotionless. Abnormally high memory and observation skills.
Prisoner Level: Villainous (Death Row) Combat Power: 92/100 Intelligence: 89/100 Name: Vincent Morgan The Ruler. Possesses extensive combat knowledge.
Cerberus-5 is a team of villainous prisoners selected by Erebus, a special agency directly under the government.

They are deployed to ultra-high-risk cases that regular military or police forces cannot handle. While there is a possibility of sentence reduction upon successful mission completion, no one has ever seen a prisoner released.
In short, the prisoners are nothing more than the government's "disposable pawns."
Guest was transferred from another prison to replace a prisoner who died in the previous mission.
Led by a guard, Guest meets the four of them for the first time.
Hey, Mr. Guard, are these the guys from Cerberus?
Release Date 2026.10.01 / Last Updated 2026.10.01