MTL - Steady Development From Douluo - Chapter 160 Alchemy?

Coming from the modern era, she was sent to a strange world. The body she possessed previously belonged to a young woman whose family was thrown away by their clan. However with the “Dan Fu Zong”, the inheritance from her old world, she steps on the path of cultivation, hoping to one day become an immortal.

- Description from Novelupdates

After being reborn twice, Jiang Chen discovered that the tragic death of the first life was not an accident, but a meticulous design for the sake of never ending troubles.

The protagonist of “Life of Domination” wears the “best choice system”. In the delivery room, the system gives him two choices: “ordinary biological parents” and “rich non-biological parents”.
The protagonist chooses without hesitation.

So , the system took Jiang Chen and the protagonist unknowingly, and the life after that was turned upside down.

The protagonist relying on the system in his hand, went all the way from a scholar to a crocodile, inheriting the family business in expectation, a complete life winner
Jiang Chen, on the other hand, had to give up his original dream and graduate early to earn.

One hundred years after the star calendar, the scientific research boss Jiang Chen woke up and returned to his second year of high school. His father was disabled in a car accident, and his mother carried all the heavy burdens, but did not complain to him at all.

Jiang Chen did not choose to find his biological parents first, but made a breakthrough by himself with the memories of his previous life and the knowledge he had learned in his previous life.

In a word: Professor Jiang, a man who can tear apart the system plug-in with his bare hands.

- Description from Novelupdates

When I was 15-years-old, during the year that I graduated from middle school, my father told me this.

Roy died during a war against the Evil God Cult, but somehow, he returned back in time to 30 years in the past where he was just a boy who awaken his summoning magic.