After Marrying a Vegetative Princess, I Went Crazy With Joy! - Chapter 210:

Vergil, a 21-year-old young man, leads an apparently simple life in a somewhat troubled world. His family is also simple—although his father is no longer alive, his mother has always been by his side, despite being a bit... aggressive. But that's not so unusual nowadays, right?Everything changes drastically when Vergil, after an unexpected death, awakens as a demon. To his surprise, he discovers that he has accidentally married beautiful Pure-Blood demonesses.Now, he will discover how the world really works from a Demon's perspective.

Corporate slave Reiji went to another world one day, made one rank higher potions, and li~ghtly made a killer profit!

He used that money to open a drug store, and troubled people who heard the rumors came over…

Eyedrops for an elf troubled over his failing bow aim!

Cough syrup for the dragon that unintentionally releases his dragon breath!

Reiji makes medicine for troubled people, enjoying his leisurely slow life in a rural city.

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

When I cleared the final chapter of a game that was a national failure, I became an unnamed side character in it.

A non-standard, unmeasurable, EX rank supporting character.