This Madman Is from Hell

Qin Yuan is a high school student who has just turned eighteen. Killed by companions for some reason With hatred, he returns from hell "Are you ready to accept my reward?" "Look how deep the demons are hidden in this world! Can I help you find them?" "Why are you crying? I just want you to taste the pain of the people you killed?" "What a ridiculous human being, hahaha~" "I want to wipe the world clean, but why is it still dirty?" "……………………" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.