In Different World with Naruto System (WN) - Chapter 341: Yaorao’s doubts

A top hacker was chosen by the Lord God to be reborn into countless worlds, always as an expendable villain.

With no free will, every world became a dead end. Every one of his lives ended tragically.

Finally, after wresting control of the Villain System, this ace hacker decided to enact revenge. Even if his very bones were rotten, he’d choose to occupy the very heights of morality, if only on the surface.

Thus, he would change his fate as an abused slag.

- Description from novelupdates

There is no battle qi or magic here, only the royal beasts that have multiplied to the peak!

After time travel, Chen Mo awakened the talent of the entry training manual. After completing the challenges, he could endow spirit beasts or himself with various entries, so unscientific spirit beasts were born in his hands.

[Bronze wall and iron wall · Indestructible · Rough skin and thick flesh · Best meat shield · Yuan

A super-meat fox that is immune to…]

[Soul Singer·Actor·Popular Idol·Elegant…] Soul Diva.

[Master of fishing, master of throwing pots, clown, hard-mouthed…] the apostle of misfortune.

Ghost Assassin, Lurker, Son of Light, Fengshen Beloved, Phoenix, Emperor Ou…

【No Heroine】【Not Dark】

The introduction is weak, please move to the text.

Authority for Magical Creatures: 811296620

- Description from novelbuddy

Three years into Qin Yu's marriage, his wife and in-laws all hated him.

Damien Julian is an 18-year-old loser, who has been bullied and mistreated his entire life, at home, he has to deal with his abusive father, and at school, he is constantly been bullied by delinquents, and to make things worse he is always looked down upon by his peers, till one day a mysterious screen appear before him as it said.

[The world has seen the lingering evil in your heart]

[Would you like to be one of the nine demon kings of this world]

[If so what are you willing to sacrifice?]

In the heat of the moment, Damien made a deal with the world, that he would give up everything he owns, or do anything it wants, and in exchange, he shall be reborn as a new Demon King, and what the world required from him as payment was.

[In exchange for power, become a slave of the world, and act as an anti-body for all eternity]

At that moment, Damien agreed, but little did Damien know, that becoming a slave to the world meant he has to be its immune system, what that entail is, that anything that threaten the world must be destroyed even if he has to wipe out humanity, to save it, or assassinate historical figures to bring fort balance or even manipulating events that can potentially end the world, to save the world, this is the story of a necessary evil, not the story of a hero who cares for others.