Medical Master - Chapter 1941 - The Undiseased Codex

[Disclaimer: Slow storyline, contains hypnosis, pregnancy, tragedy, netori, and Anti-Hero genres]Author : Andi CandraSynopsis:A young man from Indonesia transmigrates into an anime world. Taking over the body of a person named Rokuhara Ren, he is stunned to see the 2D characters he once only watched in anime come to life.Like countless other transmigrators, he plans to build a harem. Within just a year, Ren successfully impregnates his homeroom teacher, Nakano Itsuki, and his classmate, Maria Mikhailovna Kujou.He thought his peaceful life would continue. His view of the slice-of-life world crumbles when he encounters Yotsuba Miko, Gentōga Keitarō, and Ayase Momo. To make matters worse, Ren discovers that there are also Campiones in this world.Oh no, how can he raise his children with so many unstable factors?There’s no other choice—he must become a Campione himself!Witness the life story of a scumbag rising to become a Campione respected by the world!

Roy died during a war against the Evil God Cult, but somehow, he returned back in time to 30 years in the past where he was just a boy who awaken his summoning magic.

WARNING: The MC is NOT a demon! For an explanation of the title, please see the post we made specifically addressing this matter.

Ling Xiao was an orphan fighting for survival in a dog eat dog world. There were some who had the power to enjoy a life of comfort, unconcerned with worldly matters, while most struggled to survive. He was of the second kind.

When he celebrated his sixth birthday, his father left him to the wolves with only a token to defend himself. He struggled to earn a living, scrambling together whatever scraps he could gather; fighting with the dogs for food and fighting with the homeless for shelter.

But that all changed on a fortuitous day, when a demon invaded his home. In a world of deception and plotting, one tasked with seeking revenge for the man who gave him a second lease on life, how would Ling Xiao fare?

- Description from Novelupdates

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.