Risou no Himo Seikatsu - Volume 3 Chapter 1

He is high above, the mysterious and terrible King of the Wild. With one glance, he can see people’s romances. He hates women to the extreme, but at his first glance of her, he dotes on her and spoils her.
She is a humble transmigrator, a miracle doctor who doesn’t care for the many handsome men around her. She only wants to become strong, to be worthy of that god-like man. But when she’s finally sure of her feelings, she finds out she’s already been married for years…
……
When wronged：
She uses strength to hit the big handsome iceberg-like man in front of her eyes. “People say that I’m not good enough for you, but it is you who is an old cow eating tender grass!”
A man seizes the main point and laughs like an evildoer. “This husband has to eat the grass to confirm if it is tender or not!” He puts out the red candle……
……
The world says：
The barbarian king has no heart and has no passion.
A pregnant woman very miserably thinks,” If he has no passion, then who is responsible for this big belly?”

- Description from Novelupdates

What would you do if you could control and use your Karma?

Yoshimura, a average guy, no more ordinary than the next guy, worked in a company and lived a simple life surprisingly had an unexpected death and died.Fortunately his last days were spent spreading happiness around him which spotted him a place at a certain higher degree of power which gave him one extraordinary thing.One Wish, Any WorldSo seeing the generous and crazy offer, Yoshimura, like any other chose to be reincarnated to his favorite novel 'The King's Path' and was successfully reincarnated too.Unfortunately not in the right body.“What! I am now in the body of the second villain that would be trampled by my favorite protagonist!”“My Beautiful Fiance, a heroine is preparing to invade my place!”“My Step-mother seized all of my properties!”“My Bodacious Maid looks at me strangely in my sleep!”.........“Just how much am I fucked?”....................Well... at the very least I know what will happen later.And the goddess gave me the best talent.[ You have been gifted 'Eyes of Eternity' ][ Sealed Potential Unlocked : Black Hole ]......Wait a second!......................This is my second book.But think of it as my very first because... I'm not that fluent at English, hehe. So please endure the whatever third-rate world grammar I am going to write.

Perhaps it is the choice of fate. As a senior otaku, Qian Lingfeng got the “steel shell system”. However, when he swept the world with the system, became a local rich man, made all kinds of beautiful women, opened a harem, and realized the ultimate fantasy of thousands of otaku, he found that things seemed far from simple!
When the end comes, biochemical zombies suddenly come down, fierce beasts are in power, bloodthirsty zerg roam to kill the world, and human lives are comparable to dirt. Where will weak human beings go in this world? Is humanity going to be extinct? Or … can an otaku save the fate of the human race?

- Description from Novelupdates