"My name is Tono, a savage who wanders around without a father or a mother. This world is really rotten. The strong can just deal with the weak without anyone caring about them. Okay, then let me change this world."
No family background, no system, no golden fingers, pure talent. Local aboriginal, growth flow. You start with a pair of hands, and all the equipment depends on picking up. The holes dug will be filled, and the timeline will follow the old one.
The protagonist's fighting style refers to Garp, a combination of pure physical skills and domineering. The first book must be completed by the eunuch.