The Regressed Demon Lord is Kind - Side Stories: Chapter 12

Mutation, Bloodline, Ancient, Parasite, Domain, Externality.

These six series of supernatural powers range from Level 0 to 4, with traces of their existence found throughout the development of mankind and society.

On to modern society, with the changes to the environment on Earth, when the first Level 5 Ability User appeared and caused a calamity to the world, Ability Users have become a form of decisive military power.

Teenage Justice Li Anping, after getting the strongest and most evil ability throughout history, will walk the path of justice and eventually his fall towards evil, and finally reach the peak of the food chain.

The entire mankind’s nightmare is about to descend, the earth will become a giant slaughterhouse, and none shall escape the terror.

- Description from Novelupdates

Drugged one night by her ex-boyfriend, a mysterious man took advantage of her in an ecstatic night filled with sex.To take her revenge, she married the man, and used him.

I, Hyoudou Issei, am a 2nd Year High school student and my age is equal to the number of years I haven’t had a girlfriend. And, someone like me got a girlfriend! I’m sorry buddies, I will walk the path of becoming an adult before you guys! – That’s how it was supposed to be, but why did I get killed by my girlfriend!? I still haven’t done anything yet! Are there no Gods in this World!? And, the person who saved me is the most beautiful girl in my school, Rias Gremory-senpai. I learned the shocking truth from her who isn’t a God but a Devil. “You have reincarnated as a Devil! Work for me!” Lured by Senpai’s breasts and treats, my life as a reincarnated Devil began. So the “Academy×Love Comedy×Battle Fantasy” starts here with just aggressive and worldly desires!