Sleepy Princess in the Demon Castle: Story, Cast and Series Facts

Story and premise

Princess Syalis is trying to get a good night's sleep. Long ago in olden times when people and demons lived together in disharmony, a demon king kidnapped a human princess and imprisoned her in his castle. Bereft, the princess's subjects beat their chests in anguish until a hero arises to the rescue. While she waits for her knight in shining armor, the princess decides to wile away the long hours by sleeping, if it weren't for her pesky insomnia. (from manga)

Series details

• Title: Sleepy Princess in the Demon Castle
• Format: Animation
• Language: Japanese
• Genres: Comedy, Anime, Fantasy, Supernatural
• Premiere date: 2020-10-05
• Final broadcast date listed: 2020-12-21
• Status in TVmaze: Ended
• Network listed by TVmaze: TV Tokyo
• Network country: Japan
• Typical episode runtime: 30 minutes
• TVMaze ID: 50373
• IMDb ID: tt12402550
• TVDB ID: 387840

Cast and credited roles

• Inori Minase — Princess Syalis
• Ayane Sakura — Aladdif
• Chikahiro Kobayashi — Red Siberian
• Hiro Shimono — The Hero Akatsuki
• Junichi Suwabe — Caesar Magician
• Kaito Ishikawa — Demon Cleric
• Kōichi Sōma — Frankenzombie
• Kōichi Sōma — Ghost Wrapping Paper
• Masashi Yamane — Minotaur
• Rikiya Koyama — Majiro the Hedgehog
• Sayaka Ohara — Harpy
• Sayaka Ohara — Neo Alraune

Seasons in the TVmaze catalogue

• Season 1: premiered 2020-10-05; final listed air date 2020-12-21.

Source and licence

Adapted from Sleepy Princess in the Demon Castle on TVmaze. The synopsis is reproduced as plain text; catalogue facts, cast and season records are selected and reformatted. This adapted text is available under CC BY-SA 4.0, following the TVmaze API licence. Network and web-channel credits identify the service listed in this source; they do not establish current streaming availability.