Jin Wang Dotes on His Concubine - Chapter 205.2

An unexpected transmigration and upon opening her eyes, she encountered a sleazy man trying to take advantage. Considering Su Yu was the heir of medical studies, proficient in multiple martial arts. How could she endure such a great shame? Just as she was about to show some of her moves, someone heroically came to her rescue, though he was somewhat disabled, his good looks were undeniable.With nowhere else to go, Su Yu naturally had to offer herself in return. It was just a limp, and it happened to be her specialty.Watch how she heals her handsome husband and together with her family, happily engages in farming and grows wealthy...

The protagonist, Punk, is a cautious, cold-blooded, and ruthless Mage.

His goal is always his top priority, over feelings or morality. When unnecessary, he doesn’t like to act like pigs to eat tigers; there are almost no life and death struggles, sometimes risky but steady progress. No strong enemy everywhere, Instead, Punk is always a strong enemy of others.

And he has a very keen interest in the secrets and teachings of the Netheril civilization.

A few years after graduating, Chen Hui was mediocre and suddenly found himself back in the scorching summer of 15 years. It seemed that it was not just a simple rebirth, but a plug-in was accidentally attached. Money, beauty, and power followed. Easy cool text! …

- Description from novelbuddy

200 years after the world has ended, the laws of society have long been forgotten.