Naruto: The Prince of Lust - Chapter 261 -

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.

On the night of Xiao Ke’s thirtieth birthday, he shared a table while drinking. The person he shared the table with was a cool man who fit all of his aesthetic desires. It was practically love at first sight.

He was thirty; he had reached that age where he was no longer the awkward twenty-something youth. He would pursue the one he liked without hesitation, no questions asked.

“I want you to give me a tattoo. I want to spend the rest of my life with you.”

- Description from Novelupdates

Harry got a strange Life Achievement System which assigns missions that reward him for acting like a scumbag and earning Scum Points.Scum Points Could can be exchanged for powerful magical items, rare abilities, and tools that give Harry an edge in both life and business.At first, he resents it. Then he gets curious. And finally… he gets hooked.But being a scumbag is a high-risk profession. One wrong move, and he could lose everything, even his life. To survive this dangerous game, Harry must walk the line between manipulation and strategy, charm and ruthlessness.He’ll cheat, scheme, and hustle his way to the top.

Xia Yan passed through to the world of Bleach and became an eleven-year-old boy. He was rescued by Renji and Rukia in the Seireitei, and he was studying at Shin’ō Academy, and he was a student of the same class.
He is a top student of the Shin’ō Academy, and he is vying for strength by various teams. In the end, he has entered the first team of secret mobile maneuvers.
He will use punishment to kill every person who tries to threaten the martyrdom and protect his loved one.

- Description from Novelupdates