I Became the Youngest Daughter of a Chaebol Family - Chapter 75: Middle Schooler Yoo Ha-yeon (1)

After breaking up with his girlfriend, he accidentally acquired a genius system and rose from there against the heavens, becoming invincible..

- Description from Novelupdates

King Grey has unrivaled strength, wealth, and prestige in a world governed by martial ability. However, solitude lingers closely behind those with great power. Beneath the glamorous exterior of a powerful king lurks the shell of man, devoid of purpose and will. 

Reincarnated into a new world filled with magic and monsters, the king has a second chance to relive his life. Correcting the mistakes of his past will not be his only challenge, however. Underneath the peace and prosperity of the new world is an undercurrent threatening to destroy everything he has worked for, questioning his role and reason for being born again. 

Name: [Art Tavel (Zhuang Zhou)]

Occupation: [Demon Warlock]

Class: [1]

Bloodline: [Abyss (0.03%), Human (94.97%), Darkness (5%)]

The descendants of the Tavel family, the bloodline of demon warlocks that had declined, had another “dark” bloodline after the arrival of Zhuang Zhou.

With this bloodline, he can summon monsters from the dark world.

The first thing he thought of was not to drive the summons to help fight, but to wonder if the equipment of the dark world would explode after the summons died?

- Description from novelbuddy

The legendary mana finally reached planet Earth, causing all living things to officially enter the path of evolution.