The Strongest Interstellar Commander - Chapter 76: 20 Days.

Su Yang was an average university student in Shanghai when he received a system that allowed him to add points to things. The point system provided him with missions and by clearing them, he would gain points.

After the nuclear warfare, massacres started to spread throughout the entire world. The order between humans completely collapses, and the strong eats while the weak gets eaten becomes the #1 rule.

Stuck in the year 1204, with no way to get back to my time, I was plunged into a world vastly different from the one I knew.I have a valuable asset in my possession - an AI chip implanted in my brain, loaded with thousands of engineering books.

When I was reborn in South Korea, I wanted to live my life in peace. Pass the activation system, unlock the 'Big Brother' career, obtain the invincible system, and embark on the road to power