Damn, it's surprisingly good. He has a really nice character. Carefree, easy going, bone joker, but have a subtleties to care deeply with the people around him. The kind of character that you want to root for...
Also, it imply that the story may not just a simple Hero vs. Demon King. I got a feeling there are some political intrigue behind those 5 great nations. They may always at each other throat before the Demon King arrive. I cannot wait to see how the author expand the world and the journey of our brave skelly...