Traveling back to ancient times begins with the use of stone tools

The soldier Leng Ruoxue traveled through time and space to become a six-year-old burden in ancient times. He and his mother and brother were used as free laborers. They only had skills... but no good body. They had to survive first, and then they would rebel when they couldn't survive anymore. The three of them were driven out of their stepfather's house. They were hungry and unarmed, and they started by making stone tools... ...