I felt this anime was trying too hard to be one of the best fantasy genre type of animes out there. I mean the characters backgrounds were there to keep us intrigued but there was nothing original about this anime. It concentrated heavily on excessive fan service and the story was trying it's best to hold onto dear life when it was struggling to come up ways to impress me as a viewer. Instead I felt rather sorry for the story being cheaply pathetic.
To try to add postivity here, the art was pretty nice. Also the demon queen and hero were actually likeable despite their "omg that was fast" relationship. Not saying the romance was bad cause it did work in a way, I would have though rather see it slow paced. Maybe I'm too old fashioned at that lol but whatever, I do recommend watching this anime if you want fanservice added with fantasy!