CROWN PRINCE'S CONCUBINE - Chapter 658 - 658 Meet again

Born without a mana circle into one of the most powerful family of hunters in the country, Luthra was the ultimate failure. Deemed trash and disowned, he was cast out with nothing but the clothes on his back and a cold, self-hating resolve.For five years, he trained his body to its breaking point, only to discover his weakness was a lie. His power wasn't absent—it was a paradox. A 'Negative' mana circle so volatile it had to be sealed by a god at his birth, lest it annihilate his very soul.Now, the seal is cracking. To prevent catastrophe and seize his own destiny, Luthra is given a key: The Negative Leveling System. In this world, power means leveling up. For Luthra, true strength is found by leveling down.Armed with a simple industrial chain and an unshakable pragmatism, he begins his hunt. Every monster core he absorbs pushes him deeper into negative levels, unlocking twisted skills and an incomprehensible strength the world has never seen.They called him a zero. But in a system where Level -10 is stronger than Level 1, Luthra is about to show them what true power looks like from the bottom.

An ordinary student, a wretched peeper, a cowardly teenager with a kind heart. In a terrorist attack, he inherited the knowledge of countless elites, embarked on a path of God Jagged Tu…

He is an artist!

He is a mathematician!

He is a psychology Doctor!

He is a master of fighting!

In fact, he is a man

Taken off raw site:

A wretched, dirty young man is working during the summer when he was caught up in a mysterious explosion. After that explosion, the young man is then left with the memories and knowledge of dozens of the world’s experts.

He has changed, his heart has become cold, iron-blooded. He became a killing machine, his mind turned mechanical, calculative. Everything goes according to his plans and calculations!

In this magical, slaughterous world, a door is opened for him…

- Description from Novelupdates

I complained that the play script in this other world was terrible. But then they told me, ‘If you don’t like it, write it yourself.'” I got so mad that I plagiarized the lives of famous people and made them into scripts. ⌠Your Highness, I still have twelve battleships.⌡ ⌠The die is cast.⌡ ……But it ended up being way more popular than I expected. Somebody, help me!!!

The course of commitments never did run smooth.