Sleepy Princess in the Demon Castle (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.
Sleepy Princess in the Demon Castle: Season 1 - 12 Episode s
1x1 - Sleepless Princess of the Castle
October 6, 2020
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.
1x2 - The Princess and Furious Fluff
October 13, 2020
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.
1x3 - The Princess and Forbidden Knowledge
October 20, 2020
Princess Syalis is on the loose again meddling with forbidden magical items and causing total mayhem for the Demon Castle.
1x4 - The Princess, Destruction, and a Short Journey
October 27, 2020
Fed up with her circumstances at the Demon Castle, Princess Syalis goes to great lengths to add luxuries to her castle prison.
1x5 - The Princess and Female Warriors
November 3, 2020
The female unit, long deployed out in the field, has returned to the Demon Castle to get their first taste of Princess Syalis.
1x6 - The Princess’ Unwavering Choice
November 10, 2020
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.
1x7 - Even More Sleepless Princess of the Castle
November 17, 2020
Princess Syalis wakes to find herself in a completely different castle! What happened and how will she return to the Demon Castle?
1x8 - The Princess and the Frightful Demon Nightmare
November 24, 2020
Back at the Demon Castle, Princess Syalis interrupts an important meeting to share about her haunted dreams.
1x9 - The Princess and Hostage Training Week
December 1, 2020
It’s time for Princess Syalis to start acting like a proper hostage, so the demon king issues a decree to help change that.
1x10 - The Princess in Endopolis
December 8, 2020
Princes Syalis is determined to get her hands on the latest and greatest sleep product, but it’s only available in the Human Realm.
1x11 - The Princess and Troubling Dreams
December 15, 2020
Princess Syalis feels tired no matter how much sleep she gets, and her troubling dreams aren’t helping.
1x12 - Sleeping Princess of the Demon Castle
December 22, 2020
Despite living as a captive in the Demon Realm, the princess writes a letter to Santa. The letter’s contents shock the demon king.
Sleepy Princess in the Demon Castle: 2 Season s
Actors in Sleepy Princess in the Demon Castle
Inori Minase
Princess Syalis (voice)
Kaito Ishikawa
Demon Cleric (voice)
Yoshitsugu Matsuoka
Demon King Tasogare (voice)
Hiro Shimono
The Hero Akatsuki (voice)
Rikiya Koyama
Majiro the Hedgehog (voice)
Kouichi Souma
Frankenzombie (voice) / Ghost Wrapping Paper (voice)
Junichi Suwabe
Caesar Magician (voice)
Shinya Takahashi
Goblin Serf (voice)
Chikahiro Kobayashi
Red Siberian (voice)
Sayaka Ohara
Harpy (voice), Neo Alraune (voice)
Ayane Sakura
Aladdif (voice)
Takeo Otsuka
Poseidon (voice)
Masashi Yamane
Minotauro (voice)
Takaya Kuroda
Flame Poison Dragon (voice)
Shin-ichiro Miki
Hypnos (voice)
Kisho Taniyama
Hades (voice)
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