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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.
Cast
Inori Minase, Kaito Ishikawa, Yoshitsugu Matsuoka, Hiro Shimono, Rikiya Koyama, Kouichi Souma, Junichi Suwabe, Shinya Takahashi, Chikahiro Kobayashi, Sayaka Ohara
Sleepy Princess in the Demon Castle is streaming on Crunchyroll. Sleepy Princess in the Demon Castle is streaming on Crunchyroll Amazon Channel. Buy Sleepy Princess in the Demon Castle on Amazon Prime. Buy Sleepy Princess in the Demon Castle on Apple TV Store. Availability last verified February 23, 2026.
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