The supporting character's harem is very normal - Chapter 41 Meeting Alec again - The plot begins

She shouldn’t have got drunk, so she wouldn’t have court the troubles.
She slept with a handsome man and would be sent to the police?
Oh, my sweet Jesus…
“So you just ran away like nothing happened after you slept with me?”
“Old jerk! Even if I had the initiative, it was you who took advantage of me!”
As a saying goes, the more spoiled a president gets, the more likely he becomes a scumbag.
An adorable ‘wildcat’ vs. a scheming frenemy.
This was a love rivalry between a modern Cinderella and a Big Boss.
As time flew, the world was like a fleeting show.
When they met again after several years of separation, he held her hand tightly and swore that he would never give her any chance to leave him again!
Finally, he asked her to marry him and pampered his cute wifey with his endless love.

- Description from Novelupdates

Chen Rui, an otaku from earth, is reborn into a human body in another world, who falls into the legendary evil, brutal world of the devil called Mozu where humans are treated as food. He has to survive while facing horrors of the devil, violent dragons and a variety of powerful enemies by depending on a strange super system chip and his wits. Surrounded by Devil’s beauties such as black-bellied lolita princess, cold queens, violent dragons, charming poisonous devils …

Wanting to live in the Devil’s world is hard! Wanting to live in the Devil’s world as a human is harder! Wanting a human to be the devil’s son-in-law is hardest!

Let us see how a small otaku uses power and strategy step by step starting from an ordinary human to writing a legend as the devil’s greatest son-in-law.

In her former life, she was robbed of her status, her looks, and her reputation.

Nicole d'Armand never expected to walk into her apartment and find her fiancé *bleep*-deep in another woman's lady bits. What's a girl to do?Well, after obliterating an 18th-century Meissen vase, delivering a punch that would make a heavyweight boxer proud, and embarking on a night of raucous drinking, Nicole figures she might as well embrace the chaos.But when alcohol and pheromones collide, her wild night spins into something unexpected... Like a ride on the Logan Everett express.Which, naturally, leads to a whirlwind of its own: She's his fated mate. Because of course she is.And he rejects her. Because of course he does.Now embroiled in a mystery bigger than her post-breakup hangover, Nicole finds herself the prime suspect in a murder she didn't commit—no matter how tempting the thought might have been. And the only person who believes her innocence? The same guy who shot down the idea of being her fated mate.Great. Just what she needed: her love life is a crime scene, and the man stupid enough to let her go is holding her freedom in his hands.