Something Is Wrong with This Prehistoric Period!

Zhen Song traveled through the prehistoric world and obtained a system. He originally wanted to punch the ancestral witch and kick the Sanqing to become a saint, but the system told him that this was a prehistoric world where men and women were reversed. [Non-traditional prehistoric literature, those who like traditional prehistoric literature should not enter! The male protagonist is weird, don't come in if you don't like it! ! Due to the plot changes, the timeline may be wrong. Some characters with obsessive-compulsive disorder should not enter! This book is purely original