This Is the Devil

(1. This article is not a cool article, but it is really cool at times. 2. There may be plots of abuse of the protagonist, but it won't be too serious. 3. What I want to describe is a story about ordinary people gradually growing up, so the protagonist will be a little hesitant in the early stage, etc. 4. Some supporting characters will die, even the heroine 5. The world view will be larger) As a demon king, he is powerful in the demon world and commands the world. As the new demon king, Lan Tong should lead the demon clan to unify the world. But the world seems to have played a joke on the demons. Why is the new demon king such a... Simple? "I just want to be a fucking idiot!!!!!"