MTL - Card - Chapter 89 light and vigilance

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!

What if you had a system that could rewrite reality itself?Lucius transmigrated to this new world with his amazing system that let him hacks any beast but because of his arrogance, he was chased and sealed by people who were jealous of his talent.Fortunately, Lucius had created a new body with his system. With this new body he vowed to be secretive and also become the strongest by using his system that can hack everything even making his beautiful enemies into his beasts.Erase a rival’s talent? Done.Enhance an ordinary beast to perfection? Easy.Rewrite a noble’s fate? Child’s play.Making Villainess into his slave? Perfect ending.With his loyal slaves, a growing arsenal of hacked abilities, and also his devious mind, Lucius sets out to dominate everything. But as he reshapes the world to his will, he can not hide forever so can he remain in the shadows long enough to achieve his ultimate goal?Enter a world where reality bends to one man’s will. In a world ruled by power, Lucius doesn’t just win. He rewrites the game.Unleash the System. Rewrite Fate. Dominate All.

The scum’s or villain’s long road of transformation was tentatively set to the world:
The abandonment of the educated youth’s wife (Completed)
The hidden marriage of the scum film emperor (Completed)
The best brother in the world (Completed)
The Phoenix male who destroy the bridge after crossing the river (Completed)
The treasonous general (Completed)
I’m an honest man (Completed)
To become the top scorer in the School of Agriculture (Completed)
The soft rice man’s self-cultivation (Completed)
The whole world is reborn (Completed)
I want to survive on a desert island (Completed)
The stallion male who has seized the opportunity (Completed)
The perverted self-salvation (Completed)
The spring of the loafer (Completed)
The misplaced life (Completed)
The miser career (Completed)
The ghost is out of feeling (Completed)
The Queen’s favorite husband (Completed)
The vicious girl with her godfather (Completed)
I want to be a good person (Completed)
I does not tear up the family (Completed)
The perverted common plant (Completed)
The Mary Sue’s men (Completed)
Every time I was reborn, someone wants to kill me (Completed)
The old people’s counterattack path (Completed)
The global evolution (Completed)
When I became a net red (Completed)
For you, good person (Completed)
His heart had white moonlight (Completed)

- Description from Novelupdates

I lived my whole life as a s*ave, bound by a leash. But there was one thing that I was able to choose for myself: the place where I would die.“…Any last words?”My only friend asked me in a calm voice, and I quietly replied as I closed my eyes.“Waaaah!”…Waaaah?To cut to the chase, I was reincarnated. And not just as anyone, but as my friend’s youngest grandson. So, what am I going to do now? Well, what else can I do?“I’m going to cause chaos.”