Sleepy Princess in the Demon Castle

Sleepy Princess in the Demon Castle is an Japanese anime series which is aired on TV Tokyo. The series premiered on October 6th, 2020.

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.