Itai no wa Iya nanode Bōgyo-Ryoku ni Kyokufuri Shitai to Omoimasu - Chapter 255

Wei Jin is full of romanticism, and the Five Barbarians are about to disrupt the Central Plains. This is the era Zhao Hanzhang transmigrated into, where commoners and families of humble origin are in distress, and the aristocratic families only engage in empty talks.In order to prevent the gentry from migrating south and to ensure that the world is free of starvation, allowing every common person to eat their fill, Zhao Hanzhang could only roll up her sleeves and get to work.Wei Jin lacks idle talks, we are the people who work hard for food in this world!This is a construction story about striving to survive in a chaotic world with a matchmaking partner, also known as “I Engage in Infrastructure in a Turbulent World.”Zhao Hanzhang encountered an accident on her way back to school after a matchmaking meeting, and upon opening her eyes, she found herself in the chaotic Southern and Northern Dynasties. In this era where order has collapsed and etiquette and morals are all forgotten, there are still people unwilling to succumb to fate, yearning for freedom, and striving optimistically and enthusiastically.

One day, Zhang Fan, a poor medical student, receives a medical system from the future. This turns him into a new shining star in the medical field. Along the way, he must face medical corruption, competition, and infighting from other doctors, and even find time for a love life as he strives for the top of the medical field!

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.

Here is a story about an ordinary hard worker struggling hard in the troubled times of the Three Kingdoms and working hard to farm.

- Description from novelbuddy