A captured princess just wants a good night's sleep! Shhh. Kidnapped by the Demon King and imprisoned in his castle, Princess Syalis is.bored. The Plenary Demon Conference is finally here! With all the Demon World's movers and shakers gathered in one spot, surely there is no way whatsoever that Princess Syalis will find a way to make a mess of things--and definitely not by becoming a giant, nightmare-infused monster bearing the dark secret behind the origin of the ongoing war between the humans and demons! Also, some good ol' fashioned dungeon crawling!.