Sleepy Princess in the Demon Castle Season 1
A drowsy human princess roams the demon's castle where she's held prisoner, trying to find a comfortable place to get a good night's sleep.
01. Sleepless Princess of the Castle
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.
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)
Kōichi Sōma
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)
Ayane Sakura
Aladdif (voice)
Takeo Ōtsuka
Poseidon (voice)
Masashi Yamane
Minotauro (voice)
Takaya Kuroda
Flame Poison Dragon (voice)
Shin-ichiro Miki
Hypnos (voice)
Kishō Taniyama
Hades (voice)
Yoshiko Nakamura
Writer
Mitsue Yamazaki
Director
Mitsue Yamazaki
Storyboard Artist
Ikuko Matsushita
Animation Director
Ayano Suzuki
Animation Director
Miki Takihara
Animation Director
Ai Kikuchi
Supervising Animation Director
Noriko Tejima
Key Animation
Yumiko Komiyama
Key Animation
Masahiro Isomoto
Key Animation
Ayu Imoto
Key Animation
Naoko Ise
Key Animation
Yūji Shibata
Key Animation
Azusa Miyanaga
Key Animation
Yasue Ôno
Key Animation
Kozue Horanai
Key Animation
Ken Itakura
Key Animation
Anju Yasue
Key Animation
Masashi Karino
Key Animation
02. The Princess and Furious Fluff
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.
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)
Kōichi Sōma
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)
Ayane Sakura
Aladdif (voice)
Takeo Ōtsuka
Poseidon (voice)
Masashi Yamane
Minotauro (voice)
Takaya Kuroda
Flame Poison Dragon (voice)
Shin-ichiro Miki
Hypnos (voice)
Kishō Taniyama
Hades (voice)
Yūji Shibata
Animation Director
03. The Princess and Forbidden Knowledge
Princess Syalis is on the loose again meddling with forbidden magical items and causing total mayhem for 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)
Kōichi Sōma
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)
Ayane Sakura
Aladdif (voice)
Takeo Ōtsuka
Poseidon (voice)
Masashi Yamane
Minotauro (voice)
Takaya Kuroda
Flame Poison Dragon (voice)
Shin-ichiro Miki
Hypnos (voice)
Kishō Taniyama
Hades (voice)
04. The Princess, Destruction, and a Short Journey
Fed up with her circumstances at the Demon Castle, Princess Syalis goes to great lengths to add luxuries to her castle prison.
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)
Kōichi Sōma
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)
Ayane Sakura
Aladdif (voice)
Takeo Ōtsuka
Poseidon (voice)
Masashi Yamane
Minotauro (voice)
Takaya Kuroda
Flame Poison Dragon (voice)
Shin-ichiro Miki
Hypnos (voice)
Kishō Taniyama
Hades (voice)
Duan Guansong
Key Animation
Ryoutarou Akao
Key Animation
05. The Princess and Female Warriors
The female unit, long deployed out in the field, has returned to the Demon Castle to get their first taste of Princess Syalis.
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)
Kōichi Sōma
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)
Ayane Sakura
Aladdif (voice)
Takeo Ōtsuka
Poseidon (voice)
Masashi Yamane
Minotauro (voice)
Takaya Kuroda
Flame Poison Dragon (voice)
Shin-ichiro Miki
Hypnos (voice)
Kishō Taniyama
Hades (voice)
Hayato Matsuda
Key Animation
Larry Wariebi
Key Animation
Ayaka Sato
Key Animation
Miki Ogino
Key Animation
Risa Sato
Key Animation
Tomoyuki Ōshita
Key Animation
06. The Princess’ Unwavering Choice
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.
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)
Kōichi Sōma
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)
Ayane Sakura
Aladdif (voice)
Takeo Ōtsuka
Poseidon (voice)
Masashi Yamane
Minotauro (voice)
Takaya Kuroda
Flame Poison Dragon (voice)
Shin-ichiro Miki
Hypnos (voice)
Kishō Taniyama
Hades (voice)
Itai Yamamichi
Key Animation
Tonmoh
Key Animation
07. Even More Sleepless Princess of the Castle
Princess Syalis wakes to find herself in a completely different castle! What happened and how will she return to 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)
Kōichi Sōma
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)
Ayane Sakura
Aladdif (voice)
Takeo Ōtsuka
Poseidon (voice)
Masashi Yamane
Minotauro (voice)
Takaya Kuroda
Flame Poison Dragon (voice)
Shin-ichiro Miki
Hypnos (voice)
Kishō Taniyama
Hades (voice)
Yoshiyuki Shirahata
Director
08. The Princess and the Frightful Demon Nightmare
Back at the Demon Castle, Princess Syalis interrupts an important meeting to share about her haunted dreams.
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)
Kōichi Sōma
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)
Ayane Sakura
Aladdif (voice)
Takeo Ōtsuka
Poseidon (voice)
Masashi Yamane
Minotauro (voice)
Takaya Kuroda
Flame Poison Dragon (voice)
Shin-ichiro Miki
Hypnos (voice)
Kishō Taniyama
Hades (voice)
Yūji Shibata
Animation Director
09. The Princess and Hostage Training Week
It’s time for Princess Syalis to start acting like a proper hostage, so the demon king issues a decree to help change that.
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)
Kōichi Sōma
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)
Ayane Sakura
Aladdif (voice)
Takeo Ōtsuka
Poseidon (voice)
Masashi Yamane
Minotauro (voice)
Takaya Kuroda
Flame Poison Dragon (voice)
Shin-ichiro Miki
Hypnos (voice)
Kishō Taniyama
Hades (voice)
Hayato Matsuda
Key Animation
10. The Princess in Endopolis
Princes Syalis is determined to get her hands on the latest and greatest sleep product, but it’s only available in the Human Realm.
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)
Kōichi Sōma
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)
Ayane Sakura
Aladdif (voice)
Takeo Ōtsuka
Poseidon (voice)
Masashi Yamane
Minotauro (voice)
Takaya Kuroda
Flame Poison Dragon (voice)
Shin-ichiro Miki
Hypnos (voice)
Kishō Taniyama
Hades (voice)
Itai Yamamichi
Key Animation
11. The Princess and Troubling Dreams
Princess Syalis feels tired no matter how much sleep she gets, and her troubling dreams aren’t helping.
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)
Kōichi Sōma
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)
Ayane Sakura
Aladdif (voice)
Takeo Ōtsuka
Poseidon (voice)
Masashi Yamane
Minotauro (voice)
Takaya Kuroda
Flame Poison Dragon (voice)
Shin-ichiro Miki
Hypnos (voice)
Kishō Taniyama
Hades (voice)
Yasufumi Soejima
Director
Zayd Ghassan
Key Animation
12. Sleeping Princess of the Demon Castle
Despite living as a captive in the Demon Realm, the princess writes a letter to Santa. The letter’s contents shock the demon king.
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)
Kōichi Sōma
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)
Ayane Sakura
Aladdif (voice)
Takeo Ōtsuka
Poseidon (voice)
Masashi Yamane
Minotauro (voice)
Takaya Kuroda
Flame Poison Dragon (voice)
Shin-ichiro Miki
Hypnos (voice)
Kishō Taniyama
Hades (voice)
Yoshiko Nakamura
Writer
Mitsue Yamazaki
Director
Sumie Noro
Director
Mitsue Yamazaki
Storyboard Artist
Ikuko Matsushita
Animation Director
Ayano Suzuki
Animation Director
Miki Takihara
Animation Director
Ai Kikuchi
Supervising Animation Director
Yumiko Komiyama
Key Animation
Ayu Imoto
Key Animation
Yūji Shibata
Key Animation
Azusa Miyanaga
Key Animation
Yasue Ôno
Key Animation
Kozue Horanai
Key Animation
Anju Yasue
Key Animation
Masashi Karino
Key Animation
Hitomi Kaiho
Supervising Animation Director
Sayaka Tokunaga
Animation Director
Akiko Nakata
Animation Director
Noritaka Tateguchi
Animation Director
Ken Itakura
Animation Director
Mari Eguchi
Animation Director
Mariko Kubo
Animation Director
Chiaki Nakajima
Animation Director
NICCA
Key Animation
Yōko Naeki
Key Animation
Takuma Kimura
Key Animation
Ayasa Ueda
Key Animation
Sōichi Honda
Key Animation
Mayumi Funakoshi
Key Animation
Kumiko Kurashige
Key Animation
Ayana Togashi
Key Animation
Etsuko Yamamoto
Key Animation
Atsushi Yoshida
Key Animation
Yuki Asakura
Key Animation