Reborn In The Three Kingdoms - Chapter 159 - 158

Roy’s life was nothing special. The only thing commendable was the last few moments when he saved a mother and her child from a drunk driver.
…
It’s really an egg! Damn it, what kind of monster have I become? Did I fall into Hell instead of making it to Heaven??
Join Roy as he ventures through various worlds with the Custom Made Demon King System—a system that allows Roy to draw anything he can imagine and create it through exchanging souls!

An ordinary student, a wretched peeper, a cowardly teenager with a kind heart. In a terrorist attack, he inherited the knowledge of countless elites, embarked on a path of God Jagged Tu…

He is an artist!

He is a mathematician!

He is a psychology Doctor!

He is a master of fighting!

In fact, he is a man

Taken off raw site:

A wretched, dirty young man is working during the summer when he was caught up in a mysterious explosion. After that explosion, the young man is then left with the memories and knowledge of dozens of the world’s experts.

He has changed, his heart has become cold, iron-blooded. He became a killing machine, his mind turned mechanical, calculative. Everything goes according to his plans and calculations!

In this magical, slaughterous world, a door is opened for him…

- Description from Novelupdates

Manipulative MC, no love, Big Harem, Cruel, MILFsMC is an employee in the plot enhancement department of a company that entertains the constellations.His role is to act as the villain, and he is the star employee for this villainous role.He moves within different novel plots, manipulating heroines, farming fate values from sons of heavens, and achieving the end goals suggested by the constellations for those plot endings.While the plot varies according to the assigned world, what remains common is his presence as a villainous character, with not necessarily the presence of other characters like heroines and sons of heaven.For the story introducing MC, it is set in an urban cultivation world where he has been assigned to act as Damien Raphael, heir of the Raphael Group.He finds himself in a face-slapping event with a son of heaven and deals with him accordingly, as this is his daily job.

“Save the world? Yeah, that's gonna be a no from me.”Noah had it all. He was one of the youngest billionaires in the world, tall, handsome, and usually had his pick of women.Life was perfect... until he was summoned into another world to defeat the Demon Lord.Unfortunately for Camelot, Noah couldn't care less about being their hero. All he just wants to do is go home. But the ritual home demands blood, power, and sacrifice. And if the world must burn so he can leave it, so be it.With the power of the abyss running through his veins, the dark dragon marches forward.“Your fate is bound to this world, hero. No matter what you do, you shall save this land.”“We'll see about that.”