Please Be a Devil

Li Yu, a man from Earth, inexplicably traveled to a different world and became the secret weapon of the demon clan - Pao Mo. But the trick is that he is just a disposable consumable for dealing with humans and will die after use. In order to protect himself, he has a strong psychological quality and breaks through the difficulties and successfully evolves. At this time, when the demon clan was having trouble attacking the human world, Li Yu, who showed great potential, immediately became the demon clan's hope to break the situation. Li Yu, who was carrying the expectations of thousands of demons, stepped onto the passage to the human world, but what he was thinking in his heart was: Sorry, I'm a nice guy. ... Since then, the human world, which has been suffering from the invasion of demons, has undergone hundreds of millions of changes.