Those Years When I Was the Villain Demon Lord

Li Wen was a little unlucky guy who was accidentally hit with a brick. Once through another world. The system said to him: "You are the villain Demon Lord. If you want to follow the plot, you must be killed by the protagonist Long Aotian!" After hearing this, Li Wen was gearing up and planning to do something big. But then he thought when he saw the protagonist who looked more like the Demon Lord than himself collapsed! Is there any need for a plot? First person Concept: There is no eternal winter in the world