This Wizard is So Unscientific! - Chapter 1 - Steady Growth System_1

A good-for-nothing man married a beautiful girl but was kicked off the bed on the wedding night. Furiously, he wrote a bill of divorce and ran away.
He was schemed a car accident in which he nearly lost his life. However, it turned out to be a blessing. He swallowed the soul that passed through the outer world, thus obtained superb medical skills and martial arts.
Later on, with the silver needles and invincible martial arts, he embarked on the road of counterattacks and was committed to his great dreams.

- Description from Novelupdates

Another entry in what you can call the Proto Harem Series: the books written before the Harem Series that take place in the same world.

It’s about a swordswoman whose student is captured, so she goes to rescue her.

The Jiuzhou Continent contains an era of chaos and fiendish demons, haunted by mysterious beings and fraught with feuding martial families, demonic sacred grounds, and endless struggles between various powers. Conflict is a constant throughout the world.Within such darkness, Gu Chen opened his eyes to this reality.At the same time, he discovered that as long as he slew these fiendish demons and ghosts, his cultivation strength could continually elevate.Killing a Panic Level Demon yields a decade's worth of cultivation.Slaying a Ghost Level Fiendish Ghost brings thirty years of cultivation....Eventually, one day, staring at the endless swarm of fiendish demons and world-renowned grandmasters in his path, Gu Chen chuckled lightly, “Are you able to withstand this fist of mine, charged with 1600 years of cultivation?”

There are only two destined outcomes for an illegitimate child of the Meng family.

One is to be useful and then being used to death. The other is to be exploited for being a useless person.

After being reborn, Meng Ting chooses the second option without the slightest hesitation.

As a result, he’s being married off.

“Oh.” =.=

***

This is a story of a beautiful young man who wants to become a degenerate after coming back to life from death, but is rejected by his upstanding husband in various ways.

This is a story of saving others, and being saved by others in return.

You are my beloved, and I am the light of your life.

Meng Ting: “Nonsense…”

Yan Sui: “Everything my wife says is correct.”

- Description from Novelupdates