[Rebirth + system (light system) + no heroine + fighting + comprehensive development + governing the country + reaching the top + slow warming]
The protagonist is a senior economics student at Blue Star who worked too hard to finish his graduation thesis.
Reborn into a person named Carl Rein. This is a parallel world. This world has no connection with the original world and has a different history.
When the protagonist climbed to the top with the help of the system in one day, the system suddenly failed and all functions were lost except for the most basic functions.
The host turned a war-torn small country into a powerful country in the world through its own efforts.
The introduction is weak, please move to the main text! ! !
Nice. . . . . .