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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Title	Sleepy Princess in the Demon Castle
Alternative Titles	Sleepy Princess in the Demon Castle, Sleepy Princess, Maou-jou de Oyasumi, Maoujou de Oyasumi, Maou-jou de Oyasumi, Maoujou de Oyasumi, Maōjō de Oyasumi, Maō-jō de Oyasumi, Сон в замку демона, Sleeping in Devil's Castle, Good Night at Demon Castle, Sleeping Princess in the Demon Castle, Sweet Dreams in the Demon Castle
First Air Date	2020-10-06
Last Air Date	2020-12-22
Number of Episodes	12
Number of Seasons	1
Genres	Animation, Comedy, Sci-Fi & Fantasy,
Networks	TV Tokyo,
Casts	Inori Minase, Kaito Ishikawa, Yoshitsugu Matsuoka, Hiro Shimono, Rikiya Koyama, Kouichi Souma, Junichi Suwabe, Shinya Takahashi, Chikahiro Kobayashi, Sayaka Ohara, Ayane Sakura

Princess Syalis (voice)

Inori Minase

Demon Cleric (voice)

Kaito Ishikawa

Demon King Tasogare (voice)

Yoshitsugu Matsuoka

The Hero Akatsuki (voice)

Hiro Shimono

Majiro the Hedgehog (voice)

Rikiya Koyama

Frankenzombie (voice) / Ghost Wrapping Paper (voice)

Kouichi Souma

Caesar Magician (voice)

Junichi Suwabe

Goblin Serf (voice)

Shinya Takahashi

Red Siberian (voice)

Chikahiro Kobayashi

Harpy (voice)

Sayaka Ohara

Aladdif (voice)

Ayane Sakura

Poseidon (voice)

Takeo Otsuka

Minotauro (voice)

Masashi Yamane

Flame Poison Dragon (voice)

Takaya Kuroda

Neo Alraune (voice)

Sayaka Ohara

Hypnos (voice)

Shin-ichiro Miki

Hades (voice)

Kisho Taniyama