Maoujou de Oyasumi

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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]

User Rating : 8



Alternative Titles
Title : Maoujou de Oyasumi
English : Sleepy Princess in the Demon Castle
Japanese : 魔王城でおやすみ
Synonyms : Sleeping in Devil’s Castle

Type : TV
User Rating : 8
Episodes : 12
Premiered : fall 2020
Aired : Oct 6, 2020 to Dec 22, 2020
Airing Status : Finished Airing
Genres : Comedy, Fantasy
Duration : 23 min per ep
Rating : PG-13 – Teens 13 or older
Broadcast : Tuesdays at 02:00 (JST)
Producers : Lantis
Licensors : Funimation
Studio : Doga Kobo
Source : Manga
Season : fall
Themes : Mythology
Demographics : Shounen
Rank : 569
Popularity : 1126
Members : 174697
Favorites : 1898

Characters & Voice Actors

Demon Lord Tasogare
Matsuoka, Yoshitsugu
Kaymin, Aurora Suya Rhys
Minase, Inori
Sakura, Ayane
Alraune, Neo
Ohara, Sayaka


Noro Sumie
Episode Director
Assistant Director

Yamazaki Mitsue

Shirahata Yoshiyuki
Episode Director

Soeno Megumi
Episode Director

Minase Inori
Theme Song Performance

Theme Song Performance

Theme Songs

“Kaimin! Anmin! Suya Rhyst Seikatsu (快眠!安眠!スヤリスト生活)” by Aurora Suya Rhys Kaymin (Inori Minase)
“Gimmme!” by ORESAMA

Related Anime


User : RiriHitosuyanagi
overall : 10 story : 10 animation : 10 sound : 10 character : 10 enjoyment : 10
Review : ‘If you got kidnapped and imprisoned by the demons, what should you do?’ Well obviously in this situation, you will always try to find a way to escape from their prisoner. But for this anime, Princess Syalis is the most unique one. She rather sleeps in her prison bed despite the panicking situation that is happening in her homeland. :::Story::: But there’s one problem! The demons only give her nothing but a low quality bed sheet and pillow. Dissatisfied, Hime-sama decides to go out and create th…
User : dlxuniuniu
overall : 8 story : 8 animation : 8 sound : 8 character : 8 enjoyment : 10
Review : *Shhhhh* (Quiet please, our princess is sleeping right now) How far would you go for THE perfect sleep? It has been scientifically proven that a good sleep is very important for our body, but how can we achieve that? This is the most important thought of our princess Aurora Suya Rhys (or let’s just say Suyaaaaa~), she goes all out to get this achievement. STORY: In a time when humans and demons were still hostile, our princess was captured by the demon king Tasogare. He locked her up and just ga…
User : NotCat
overall : 8 story : 0 animation : 0 sound : 0 character : 0 enjoyment : 0
Review : ‘I love sleep. My life has the tendency to fall apart when I am awake, you know?’ Once upon a time, people lived happily in the kingdom of Sleepland. A jealous demon king appeared, wishing to destroy the kingdom. He kidnapped the princess and said, ‘I am kidnapping your Princess and if she is dear to you, you will give all your lands to the demons.’ So, just like in any typical fairy tale: an evil and insidious demon king, in order to show these mongrels, who are called humans, who the real king…

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Video Information

[OniiChan] Maou-jou de Oyasumi [1080p][Batch]

Width: 1920 pixels
Height: 1080 pixels
Format: HEVC
Codec: hev1
Duration: 00:23:57
Bit rate: 1795 Kbps
Frame rate: 23.976 fps
Aspect ratio: 16:9
Bit depth: 8 bits
Color space: YUV
Subtitles: Not Uploaded Yet

Audio track: 1
Language: Japanese
Codec: mp4a-40-2
Channels: 2
Bit rate: 114 Kbps
Compression: Lossy
Sampling rate: 48 Khz

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When you experience loss, people say you’ll move through the 5 stages of grief…. Denial, Anger, Bargaining, Depression, Acceptance ….. What they don’t tell you is that you’ll cycle through them all every day.

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