My Sister Was Killed and I Transformed into a Demon and Became the Enemy of the World.

Despair, fear, shouting, roaring, destruction... Li Changfeng struggled in this world invaded by monsters for twenty years, and his dependent sister also died in the hands of monsters. In this dark and dead night, the system woke up and told him that everything in the world was fictitious! In other words, what you think is the real world is actually just a large-scale survival reality show created by humans! Audiences all over the world are watching you. As the protagonist of this show, you can only be entertained to death! Do you choose to continue to be an object of entertainment in the eyes of the outside world? Or go to war with the whole world? ! ....... Li Changfeng: Now! I want to return all the pain I have endured to you! I want you to suffer more than me! A hundred times! A thousand times! Ten thousand times!