Red Dead Redemption: I Have a System

Zhang Tianyuan, a mercenary, transmigrated as Henry, a policeman in a small town in the western United States in 1880. He used his cheat, a progress bar, to constantly improve himself and transform his life story - police officer, sheriff, bounty hunter, private wine oligarch, mining giant, oil giant, city bosse, military giant, king...

There are many sharpshooters in the vast west, but there is only one gun god - Henry!