The CEO's Secret Obsession - Chapter 21: Olivia’s Black Magic?

Lives are a currency, and Noah Vines is rich.Reincarnated into the body of a poisoned magic school professor, Noah is given more than just a second chance at life. Every time he dies, his body reforms. With infinite variations of runic magic to discover and with death as a painful soul wound rather than a final end, Noah finally has a chance to wander the lands of the living once again. And this time, he plans to get strong enough to make sure that he never has to wait around in the afterlife again.

Untolerated by heaven, a boy was restricted by the most powerful spell.

He accidentally acquired a painting inhabited by nine souls that claimed to be immortal.

Then, the legend of a strong young man who violated heavenly principles against the course of nature began.

- Description from Novelupdates

Wang Lin is a very smart boy with loving parents. Although him and his parents are shunned by the rest of their relatives, his parents always held high hopes that he will one day become someone great. One day, Wang Lin suddenly gained the chance to walk the path of an immortal, but found that he only had mediocre talent at best. Watch Wang Lin as he breaks through his lack of talent and walks the path towards becoming a real immortal!

This is a story of a modern man returning to ancient times, returning to a real world without any extraordinaryness, and slowly rising by relying on the ability to attribute all data.

- Description from novelbuddy