The Misfit of Demon King Academy (WN) - Chapter 6.2

[Warning! Adult Novel!]The emergence of dungeons has reshaped the world. At the age of 16, individuals are bestowed with the 'blessing', which grants them skills to aid in conquering these dungeons.Meet Dante, our protagonist, who initially joined from squad to squad as a support member and possessed only an F-rated skill potential.Due to this limitation, Dante faced discrimination and endured bullying. However, driven by his determination to survive, he managed to obtain a system that would pave the way for his growth and newfound strength.However, the system he acquired only reward him with support-related skills. Fortunately, these abilities can also be applied to himself.Can he truly break free from always being at the receiving end?Dante emerged from the shadows, reborn under a new alias, embodying the person he yearned to become. While the System bestowed upon him great advantages, it also presented him with perilous challenges he must confront.

A river song, triggered a legend of the rivers and lakes.
Tian Zun’s life motto: “My sword is the truth.”
Shen Lang’s life motto: “To serve people with morality, those who are dissatisfied are dead.”

- Description from uukanshu (translated)

There are a total of seven sins, and a revelation is made to a young man named Alex that he is destined to become a demon lord, more especially a demon lord of sin called LUST.

It's not like he can change that and because he always knew something about himself was different—not in a physical sense, well, maybe a little—and not in a mental sense—but rather because he is thrown into a demonic war that compels him to accept his new reality.

He was only aware of a difference in himself. Relating to him and the ladies who are drawn to him... Well, it was more or less like he was a magnet in front of all the girls, and all the girls were drawn to him like a metal.

Forty years ago, demons invaded the eastern continent. Coming from another realm, they hunted the humans, and people soon began to wage war with them. Before long, there were those among the humans who inherited the demons' abilities.Demon hunters are currently the most in-demand profession. Although the chance of dying during a raid was high, the hunters were mostly popular among the common people. If you have some demon blood in your body, then the path to the Hunter's Association is open to you.Year 2066, Seoul. The territory of the former city is divided into three parts. Green Zone, Orange Zone and Red Dangerous Zone. Although mostly ordinary people and workers lived in the green zone, there was a chance for demons to get into it. That's why demon hunters patrol the whole area, sacrificing themselves for the lives of people.The main character, Lee Ki-hyun, inherited 50% demon blood and became the world's first SSS-ranked demon hunter. He will have to go through the path of a demon and learn the truth about his parents to save humanity.