Sleepy Princess in the Demon Castle
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.
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- Cast：
- Inori Minase , Kaito Ishikawa , Yoshitsugu Matsuoka , Hiro Shimono , Rikiya Koyama , Kouichi Souma , Junichi Suwabe , Shinya Takahashi , Chikahiro Kobayashi , Ayane Sakura
Watch Full Seasons and Episodes
Princess Syalis is abducted from her home of the Nation of Goodereste by Twilight the Demon King. Despite the horrors lurking in the Demon Castle, all Princess Syalis wants is a good night’s sleep.
As Dawner the Hero faces perilous obstacles to rescue Princess Syalis, the princess continues to find creative ways to sleep more comfortably at the Demon Castle.
Princess Syalis is on the loose again meddling with forbidden magical items and causing total mayhem for the Demon Castle.
Fed up with her circumstances at the Demon Castle, Princess Syalis goes to great lengths to add luxuries to her castle prison.
The female unit, long deployed out in the field, has returned to the Demon Castle to get their first taste of Princess Syalis.
Dawner the Hero is having more trouble than expected on his journey to the Demon Castle, so the demon higher ups decide to take some action.
Princess Syalis wakes to find herself in a completely different castle! What happened and how will she return to the Demon Castle?
Back at the Demon Castle, Princess Syalis interrupts an important meeting to share about her haunted dreams.
It’s time for Princess Syalis to start acting like a proper hostage, so the demon king issues a decree to help change that.
Princes Syalis is determined to get her hands on the latest and greatest sleep product, but it’s only available in the Human Realm.
Princess Syalis feels tired no matter how much sleep she gets, and her troubling dreams aren’t helping.
Despite living as a captive in the Demon Realm, the princess writes a letter to Santa. The letter’s contents shock the demon king.
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