Poster depicting Maoujou de Oyasumi
Score
1068 ratings
7.7
Score distribution
Alternative titles
English
Sleepy Princess in the Demon Castle
Japanese
魔王城でおやすみ
Information
Aired
2020-10-06 to 2020-12-22
Episodes
12

The Demon Lord Tasogare's castle is a dark and frightening place, filled to the brim with various monsters. Any soul unfortunate enough to be imprisoned here is sure to be terrified by the horrors within. However, the human princess Aurora Suya Rhys "Syalis" Kaymin is a different case. Rather indifferent to her situation, Syalis worries about one thing and one thing only—sleep. Ever since the demon lord kidnapped her from her kingdom, she has not had a single good night's rest. To alleviate her dozen dozing issues, the princess makes do with what she can find in the castle. Whether it be the fur of fluffy demonic teddy bears or the silky, blanket-like bodies of ghost shrouds, everything is but a means to ensure a peaceful slumber. With so many potential materials to craft items that can help her sleep at her disposal, nothing will stop the sleepy princess—not even death. [Written by MAL Rewrite]

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Voice Actors & Characters

Demon Lord Tasogare main Alejandro Saab English
Aurora Suya Rhys Kaymin main Kira Buckland English
Aurora Suya Rhys Kaymin main Inori Minase Japanese
Demon Lord Tasogare main Yoshitsugu Matsuoka Japanese
Alazif supporting Ayane Sakura Japanese
Neo Alraune supporting Sayaka Ohara Japanese
Castle Grunt Goblin supporting Shinya Takahashi Japanese
Demon Cleric supporting Mike Haimoto English
Evening Star supporting Edward Bosco English
Fire Venom Dragon supporting Takaya Kuroda Japanese
Ghost Shroug supporting Kouichi Souma Japanese
Ghost Shroug supporting Bryce Papenbrook English
Professor Gearbolt supporting Houchuu Otsuka Japanese
Great Red Siberian supporting Chikahiro Kobayashi Japanese
Hades supporting Kishou Taniyama Japanese
Minotaur supporting Masashi Yamane Japanese
Harpy supporting Ayaka Ohashi Japanese
Hypnos supporting Shinichiro Miki Japanese
Yuusha Akatsuki supporting Hiro Shimono Japanese
Scissors Sorcerer supporting Junichi Suwabe Japanese
Hypnos supporting Robbie Daymond English
Morgen supporting Kenta Miyake Japanese
Aurora Nemu Rhys Kaymin supporting Saori Hayami Japanese
Poseidon supporting Takeo Ootsuka Japanese
Haritoge Majiro supporting Rikiya Koyama Japanese
Sakkyun supporting Ari Ozawa Japanese
Narrator supporting Saori Hayami Japanese
Scissors Sorcerer supporting Kyle Igneczi English
Debi Akuma supporting Michelle Marie English
Cursed Musician supporting Aaron Dismuke English
Great Red Siberian supporting J. Michael Tatum English
Fire Venom Dragon supporting Jason Marnocha English
Frankenzombie supporting Kouichi Souma Japanese
Frankenzombie supporting Jim Foronda English
Harpy supporting Morgan Garrett English
Narrator supporting Elizabeth Maxwell English
Minotaur supporting Gianni Matragrano English
Alazif supporting Suzie Yeung English
Debi Akuma supporting Natalie Van Sistine English
Sand Dragon supporting Meli Grant English
Debi Akuma supporting Inori Minase Japanese
Morgen supporting Marc Swint English
Hades supporting Christopher Wehkamp English
Sakkyun supporting Jad Saxton English
Debi Akuma supporting Saori Hayami Japanese
Kishou supporting Steven Kelly English
Bianco supporting Tomokazu Sugita Japanese
Professor Gearbolt supporting Kent Williams English
Yuusha Akatsuki supporting Nicholas Andrew Louie English
Debi Akuma supporting Sarah Wiedenheft English
Bianco supporting Kieran Flitton English
Stamper Cat supporting Marissa Lenti English
Cursed Musician supporting Taku Yashiro Japanese
Stamper Cat supporting Satomi Arai Japanese
Haritoge Majiro supporting Ben Lepley English
Aurora Nemu Rhys Kaymin supporting Elizabeth Maxwell English
Yuusha Akatsuki supporting Makoto Koichi Japanese
Poseidon supporting Kevin Thelwell English
Castle Grunt Goblin supporting Rico Fajardo English
Neo Alraune supporting Michele Knotz English
Demon Cleric supporting Kaito Ishikawa Japanese

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