On the day he was cheated on by his girlfriend and broke up with him, Cheng Xin traveled directly through time and became the stupid good-for-nothing general of Nanyu Kingdom!
I thought it would be a hell difficulty at the beginning, but unexpectedly, I awakened the most powerful two-way traversal system!
All the science and engineering knowledge in modern textbooks became his secret weapon in conquering other worlds!
Make guns, smelt steel, develop electricity...,
Forcibly eradicate the cold weapon era and forcibly promote the industrial revolution!
The dignitaries of the family who used to laugh at his stupidity now all knelt down and bowed their heads!
Let's see how a modern man from science and engineering stirs up troubles in another world and creates an immortal legend!
