Unexpected Marriage With Mr. Leighton: Rebirth of the Villain - Chapter 2: IN THE THROES OF PASSION

He rose from abjection and achieved eternity in glory.
He embraced the prettiest beauties and killed the strongest opponents.
He was able to shift the clouds into rain and cover the sky with one hand.
He could overrun the entire world and go anywhere as he pleased.
He pacified wars and held the world in awe.
He was matchless in the world.
However, his hair turned white overnight for his beloved woman and he was on the verge of death.
He was surrounded by enemies who were trying to take his life.
He struggled his way to become mighty and fought for everything he cherished.
For this age, he was the only king of the Dark World.
His name was a byword for might.
As a man living in the world, his only ideal was to pursue brilliance.

- Description from Novelupdates

A high-ranking officer in the Marines and a master of both Western and Chinese medicine, Feng Yu Heng is transmigrated with a duang sound to the Da Shun Dynasty.

Her father is distant, her grandmother is unloving, her mother is sick, her brother is young, and her sisters are hateful, with each more ruthless than the previous.

After transmigrating and being reborn, she definitely cannot continue being a good-for-nothing like the previous owner of this body.

Want to compete with me? It will be complete domination!
Want to cause me harm? A single scalpel will turn you to mincemeat!
Want to play dirty? A needle will paralyze half your body!
Want to kill me? A single scratch will disembowel you!

The formerly easy-to-bully completely transforms and becomes the most desired of Da Shun Dynasty. A hospital to be opened with the Emperor will bring the adoration of the masses and a great deal of wealth. But what’s this about a marriage to this absurd prince? What does the cripple have to say?

- Description from novelupdates

Being given a chance and reincarnated is nice and all, yet why do I have to become that male friend who just watches the protagonist flirting with his harem?---World: Kaguya-sama: Love Is War - Hyouka ----

‘In the face of death, I have learned not to fear, but to embrace the power it grants me’ — EthanEthan, a weary office worker from the modern world, transmigrates into the body of Kai, a failed disciple in a ruthless cultivation world. His second chance is short-lived when the assassin comes after him right after his transmigration.In his final moments, Ethan awakens the Godly Revival System, which gives him the power to revive once every week and even lets him buy his Killer’s Cultivation, Talent, Mastery of Cultivation Techniques, and many more.With this newfound strength, Ethan vows to grow stronger, protect his new family, and make up for the regrets of his past life.But can Ethan truly protect his new parents and rewrite his fate in this dangerous world? Follow him on his journey to find out.