City of Sin (Yanyu Jiangnan) - Vol 9 Chapter 28

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.

In a world where the interstellar era has brought both promise and disappointment, Michael Fang dreams of becoming a Lord in the mysterious realm.

He longs to explore ancient ruins of fallen civilizations and build a territory loved and supported by his subjects.
But his aspirations are shattered when he realizes that he is nothing special and just an ordinary boy in a world full of heavenly prodigies.

That is until he stumbles upon the Gate leading to the Origin Expanse, a mysterious realm that promises to change everything he thought he knew about himself and his destiny.

With newfound power and unwavering determination, Michael vows to turn his misfortune into opportunity, no matter how perilous the path is.

"Watch, and witness as I extract everything!"

Follow Michael Fang on his journey through the Origin Expanse as he battles through obstacles and enemies to achieve his dreams and become the Supreme Lord he was always meant to be.

Lu Chengye’s dream was to live freely and have fun until he died. Unfortunately, he inherited a company and was worked to the bone!

After finally taking over the company, he had just prepared to begin his carefree life when he was hit by a car and died. His last thoughts were that it would be much better not to be human in the next life.

And so, Lu Chengye was reborn as a Labrador.

- Description from Novelupdates