SSS-Ranked Demon Hunter: The Prodigy
Forty years ago, the eastern continent was invaded by demons. Coming from another realm, they hunted humans and, soon, the humans began to wage war on them. And soon, among the humans, there were those who had 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-heng, 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.