You are watching Sleepy Princess in the Demon Castle the serie belongs in Category Animation,Comedy,Sci-Fi & Fantasy, , Talk Show with duration Array Min and original name [魔王城でおやすみ], broadcast at streamingjoy.COM, Syalis is a princess. A really cute one. When she gets kidnapped by the Demon King as a hostage, she's stuck in a castle full of demons, waiting to be rescued by her knight in shining armor. So what does she do? What any of us would. Take a nap—on a pillow she fashioned from her Teddy Demon guards. Duh..