Hell on Earth, I Have Punished All Sins

Luo Yan, who was once a top killer, accidentally traveled through time. This is a planet very similar to Blue Star, the only difference is that he goes back to his high school days. And Luo Yan only has three months left to live. He needs to accept tasks in exchange for lifespan. Of course, the reward can be money, organs, items, talents, etc.... As long as Luo Yan wants it, others must give it. Luo Yan: "As a killer at the level of the King of Hell, I will punish all crimes!" This is a story about using violence to fight violence and evil to fight evil. The introduction is weak, please read the text! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.