Maoujou de Oyasumi - Information; Final; Summary
On this page, we present all the information, trivia, spoilers, summaries, main characters, and any other questions one might have regarding the anime: Maoujou de Oyasumi.
Maoujou de Oyasumi

Synopsis: In the gloomy castle of the Demon Lord Tasogare, the human princess Aurora Suya Rhys "Syalis" Kaymin is undeterred by the terrifying atmosphere that surrounds her. While other prisoners tremble with fear, Syalis has a clear goal: to find the tranquillity needed to enjoy a good night's sleep, something that has eluded her since her kidnapping. With a singular determination, she begins to explore the castle in search of unusual materials that can help her rest, from the fur of adorable demonic paper animals to the ethereal sheets of ghosts. With quirky humor and a unique approach, the princess transforms her captivity into a laboratory of creativity, proving that even in the midst of fear, the desire for a good nap can lead to hilarious and unexpected situations.
Table of Content
- Information
- Trailer/OP
- Curiosities
- Characters
- Summary
- FAQ
- Meaning
- Related
Information
Anime Names
- Anime Name: Maoujou de Oyasumi
- Anime Name in Japanese: 魔王城でおやすみ
- Anime Name in English: Sleepy Princess in the Demon Castle
- Other names: Sleeping in Devil's Castle
Production information
- Producers: Lantis, FuRyu
- Licensors: Funimation
- Studios: Doga Kobo
Anime Information
- Type: 23 min. per ep.
- Episodes: 12
- Date: Oct 6, 2020 a Dec 22, 2020
- Genres: Comedy, fantasy
- Subjects: Others
- Target: Shounen
External Links
Anime Reviews
- Rating: 7.96
- Popularity: 223,687
Video Trailer/Opening
Curiosities
- The anime "Maoujou de Oyasumi" is based on a manga written and illustrated by Kagiji Kumanomata.
- The story follows Princess Syalis who is kidnapped and taken to a demonic castle, where all she wants is a good night's sleep.
- Despite being set in a demonic castle, the anime is known for its light, comedic tone, focusing on the princess's attempts to get a peaceful night's sleep.
- "Maoujou de Oyasumi" began serialization in the Weekly Shōnen Sunday magazine in 2016.
- The anime series premiered in October 2020 and was well received for its humor and animation.

Main Characters
- Kaymin Aurora Suya Rhys: Kidnapped human princess who is more interested in sleeping than being rescued.
- Demon Lord Tasogare: Demon who kidnapped the princess, but not a threatening villain.
- Devil Demon
- Demon Cleric: Demon cleric who helps take care of the castle's prisoners.
- Sakkyun: Feline demon that idolizes the princess.
- Great Red Siberian
- Harpy
- Suima
- Alraune Neo
- Scissors Sorcerer: Scissors wizard who is part of the castle cast.
Summary and events
- Princess Aurora Suya Rhys Kaymin is kidnapped by the Demon Lord Tasogare and taken to his dark and frightening castle.
- Instead of despairing over the situation, Princess Syalis is only concerned with how to get a good night's sleep.
- She begins to explore the castle in search of materials to improve her quality of sleep, using unusual local resources.
- Syalis transforms the fur of demonic bears and the bodies of ghostly sheets into comfort items for your nights.
- Nothing is an obstacle to your quest for rest, not even the presence of terrifying monsters.
- The princess's dedication to her goal causes chaos and confusion among the castle's inhabitants, but also moments of humor.
- His creativity and indifference to danger become the key to surviving captivity and maintaining his sanity.
- The interaction with demons results in peculiar dynamics, where the monsters go from being frightening to involuntary helpers.
What happens in the end?
Below we have a summary of what happens at the end of the anime Maoujou de OyasumiWe have placed a Spoiler alert, just click below to display the content of the end of the work.
Meaning of Maoujou de Oyasumi
Let's look at the translation of each word and explanation of the anime's name:
魔王城でおやすみ
- 魔王 - Demon
- 城 - Castles
- で - in
- おやすみ - good night/naptime
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