This is a parallel universe called Netherworld Star, teeming with all kinds of demons, monsters, and ghosts. Humans awaken supernatural abilities and battle these creatures. Shan Liang obtains an Evil System that makes him stronger whenever he commits evil acts. He can fight demons and monsters hand to hand, tearing apart evil spirits, demons, and beasts with his bare hands.
“Waaah! You bad guy! Taking my car wasn't enough, you stole my money, too.”
“It's all right here! Want to have a feel?”
[Inflict physical and spiritual harm on another person to gain 100 Evil Points]
“Kid, I'm warning you: you can eat whatever you want, but don't go around saying whatever you please. I seriously suspect you're trying to scam me.”