Devil's Son-in-Law - Chapter 10: Symbiotic Contract

Because my father was an Earl and my deceased mother had been a commoner, I was burdened with a narrow life as an illegitimate child. As a 16 year adult, I have decided to leave the aristocrat family registry and become a common citizen. I wonder if the knowledge I obtained as a member of nobility will help me in living as a commoner.

Everyone wants superpowers, including Alden Thorn.But even if he's lucky enough to be one of the few humans granted magical abilities by the extraterrestrial System that's been running things on Earth for decades, his goal of being a battlefield support hero is still a long way off.He's got determination on his side and maybe a murderous alien desk clerk, too.The universe is a complicated place. Alden's about to meet it.

In a world where every profession has its own system, one's fate is determined by the job they awaken. Reynard Vale was cursed with the weakest profession—Unskilled Laborer—a dead-end path with no future. Mocked, powerless, and abandoned, he saw no way out.But on the night he chose to end it all, the system intervened.[Congratulations! You have awakened the hidden profession: Jobmaster (SSS-Class)!]Now, with the ability to learn, switch, and master any profession, Reynard is no longer bound by limitations. From boxer to librarian, investigator to world leader—every skill, every class, and every power is his to wield.The world that once looked down on him will soon bow before the ultimate professional.

What is it like to own an abandoned oil town in the West? At first, Xu Xing simply wanted to provide some convenience for travel enthusiasts and camping enthusiasts traveling by car to the northwest.

However, it has been out of control since then…

The stall has been upgraded to a convenience store with a unique style, the instant noodles cooked in an earthen pot have been transformed into a restaurant that provides hot and authentic beef noodles, and the shack has been transformed into a hotel that is unique in the country and can look up at the deep starry sky. The tire point has been upgraded to become a gas station and maintenance station….

after that,

The town unknowingly became the size of a small county town…sixth tier, fifth tier, fourth tier, third tier…a few years later it became the only new first-tier city in the northwest Gobi Desert…

- Description from novelbuddy