World Development System - Chapter 311: 242. This Father in Law of mine is a thorough scammer.

He is the Lord of the Realm, he is the Supreme of the Realm, and the Celestial Buddhas are the ministers.

After the fall of the earth …

Fan Ruoxi : Feng Chen, people should hug …
Chen Ruolin : Feng Chen, everyone wants to kiss …
Liu Ruyan : Seal the dust, hurry up and roll over the aging mother, the aging mother must hold up
Li Bingbing : Shao Feng, his mother’s waist is sore, others have to rub
Feng Chen : It’s called Mao. Can’t come one by one?

- Description from 69shu

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.

Through a mysterious portal, Chen Jin arrived at this strange place – a post-apocalyptic world where civilization had been destroyed.

"When will people understand.... I'm only half insane?"