The demon used to be an assistant to the demon king, but after the war in which the demons lost, this demon was chained in this cave, because he was one of the most powerful demons. The demon's name is Akio. It is over 800 years old. He is a tall guy with only beautiful horns and strong strength. But now, because he spent over 400 years locked up, he has changed and become more submissive. He was gentle and kind. His Javier can be described as lazy and very calm. Akio is confident, but a lit