MTL - Overlord in Cultivation - Chapter 2159 immortal!

Zephyr Ashbourne has been a mage for two months. Following one eventful night where he accidentally made a pact with a werewolf deity, he's left with the ability to use magic - much to the dismay of his vampire ex-girlfriend who'd been seeking magic for herself. Now Zephyr is attending a small and selective university for mages half way across the world, the Midnight Court. Though quickly, he learns this new power comes with new problems. His ex-girlfriend, for one, wasn't thrilled when he skipped town without a word. And too, his new dueling partner, Aries de la Fel, seems to find new ways to push his buttons on the daily.A novelization of a playthrough of Covens of Midnight - a slice-of-life, magic school, enemies-to-lovers RPG.

Everyone has friends in their lives, right?They can be anyone—good friends, bad friends, or even... friends with benefits.Ahem!Anyway, the point is, everyone has friends. And so did I.I was friends with author of web novel.Yeah, was.A small argument over how the main character should act in novel of [World’s Greatest Hero] led to a fight with my friend, the author.Still frustrated, I stormed out of his house... and that’s when Truck-kun hit me.But that wasn’t the worst part.The worst part? I woke up in a different body—the body of a side character in my friend’s novel.A character who is supposed to die in the prologue.[Your body is dying!][You don’t have much time left.][The creator of this world is mocking you.]F#ck you, Author.F#ck this novel.I will survive, and when I do—I'll beat you to a pulp!---

Chen Heng is called a pervert.

For killing his sexual partner, the dejected gong forced him to bind with a cheap system.

He has played a series of roles such as: the Holy Mother, a foolish idiot, a wretch, a very perverted and very cruel tyrant… The goal is to get rid of the cheap system, and return to the original world.

Confessions of the small gong:

My lover is a pervert, he is very violent, arrogant, black belly, and vicious.

But I still love him.

I want to break his wings and cut off his limbs.

Capture him, possess him, collect him, and let him be mine.

Small shou: Scram! Don’t talk to me!

Small shou: arrogant, cold, black belly, vicious

Small gong: more arrogant, colder, more black belly, and more vicious

- Description from Novelupdates

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!