The protagonist travels from the 21st century to a primitive tribe, but he has a system. His system is omnipotent, but we will talk about it later. The protagonist relies on the system to break the world and go to other higher worlds. The protagonist goes from a waste to the strongest in the end.
This book has a female protagonist, and it will also break the world and go to other worlds.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.