MTL - Age of Mysticism - Chapter 340 rocky sound

In 1984, the appearance of Sean added another fire to the already chaotic public order in the United States and poured another barrel of oil…

What? You say he’s a source of chaos and a total badass?

you are gone!

Rebirth, Beauty Comprehensive, Coquettish Lawyer, Breaking Bad, Shanzhai, Hollywood, Iron Crotch, Security Group, a comprehensive business empire.

- Description from novelbuddy

This is an alternate history. Decades after the fall of the Eastern Jin Dynasty, the world is still in chaos, although there is hope for reunification.

One day, I was summoned to this world.

Quinn Winter is a young man from another world. One day, he is suddenly chosen to become the new Demon King. But the Demon Kingdom is in big trouble – it's losing a terrible war against the human kingdom called Gran'le.To help his people, Quinn comes up with a risky plan. He will sneak into Gran'le and learn their secrets. But things don’t go as planned. A powerful noble sponsors him, and he ends up joining Heavenward Academy, the top school for training future heroes.At the Academy, there's a big challenge called the Selection. The best students become Paladins – magic knights who fight demons. Quinn doesn’t want to become a Paladin. He is a demon king! But now, he’s stuck in the Selection… and if he wins, he’ll become the very thing he’s supposed to destroy.He started the day badly. Now, things are getting even worse.