In the distant future where people have themselves replace body parts with cybernetics. These cybernetics can reduce their humanity which can plunge them into what's known as psychosis. These people are known as psychos due to them discriminately killing others for enjoyment. Strat is a mix between a psycho and a normal person because he can do normal things but in some moments he can turn into a psycho. And due to this, this is what caused his death. But he was regressed back into the past due to a god that granted him a system. Follow Strat as he traverse the past he regressed to with his system with the mission that the God left him with.