MTL - The Wife is First - Chapter 7 Back door

The end of the world is coming, the world has undergone great changes, and everything has changed. Plants, animals, and even insects, as long as there are living things, have mutated.
Become more powerful, and even evolved supernatural abilities, such as chickens and ducks that can fly to the sky, such as cats and dogs that can breathe fire.
But only humans, without any obvious changes, seem to have fallen from the top of the food chain to the bottom of the food chain overnight.
Any creature that can open its mouth to eat can treat humans as food.
But fortunately, this world has not completely killed humans. Gradually, humans discovered that they had the ability to cultivate compatibility with other creatures.
As long as it has a high degree of compatibility with some powerful mutant creatures, it can be used for its own use to achieve the purpose of protecting itself.
Fang He is a person who is very compatible with mutant animals, but it is also because of his ability that he has changed from the strongest to the stupidest.
Fang He, who was reborn, said, “Hmph, this time…”

- Description from novelbuddy

Hit by a truck as a young man, after winning God’s ultimate lottery prize, I got to create a HOLY sh*t-like cheat ability of my choosing, create a harem, make loads of money, sleep with a random babe, and do anything I liked; it’s that kind of story.

Being a nobody from a poor district of the Federation, Nick is a sixteen year old boy just trying to find his place in the world. When he finally gets his shot to enter the Beast Domain upon turning sixteen, he jumps at the opportunity to finally make something of himself — to carve out his own future.His goal? Survive. Hunt. Earn enough money to finally support his little sister back home and bring them out of poverty.But to a naïve young boy like Nick, the world is far more sinister than it seems — leaving him no choice but to adapt or die.To a poor young man like Nick, though, there was only one choice he could make.Follow Nick as he navigates these obstacles and carves out a future for himself and his sister, all while uncovering the various mysteries that shroud his worldview in darkness.

She gave up her wealth and power to save her husband and his company when they were on the brink of extinction.However he repaid her by bringing home his childhood sweetheart and divorcing her! He insulted her, called her names, a cheap lowly bitch and a gold-digger. Her sister in law treated her like trash, her mother in law called her a scheming fox who wanted to climb the social ladder.Fine! Divorce so it is then!Left without a single penny, she applied for a job and became a waitress. Who would know she bumped into her ex husband and his new fiancée there?!But there was another man whose business contract she accidentally discarded.That mysterious man came to her with a condition.“You made me lost a very important business contract, now you must pay,”“How much? I don't have money. I'm not for sale either,” the girl raised her chin arrogantly.“Become my fake girlfriend. I need a woman to please my grandfather,” Shentu Jing said. His charming dark eyes seemed to be tempting her, luring her into an abyss.But when she arrived in front of his grandfather, he announced her as his fiancée!“I thought you said I was your girlfriend!” Qin Zhuzhu glared daggers at him.“Sorry, now you are my wife,” the man's peach blossom eyes gazed at her lovingly.Who is this mysterious husband of hers?One day her phone rang with a notification of the latest financial news. There, she saw a man similar to her husband. Her husband is the richest Tycoon in the capital???!!!