As a heinous demon, Lu Chengyu thought that he would be trapped in hell and tortured after death, but he didn't expect that the King of Hell would not use corporal punishment and let him complete more tricky tasks.
How about a boss who is at the level of a villain's textbook, taking System Lord with him to travel through different worlds, teaching the original villains to change their minds and change their ways? Is it okay?
Concept: It's not easy to be charming as a villain. In fact, they are all poor people with unexplainable sufferings.