Maoujou de Oyasumi


Sleepy Princess in the Demon Castle

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Alternative Titles

Synonyms: Sleeping in Devil's Castle
Japanese: 魔王城でおやすみ
English: Sleepy Princess in the Demon Castle
German: Sleepy Princess in the Demon Castle
French: Sleepy Princess in the Demon Castle
More titles

Information

Type: TV
Episodes: 12
Status: Finished Airing
Aired: Oct 6, 2020 to Dec 22, 2020
Premiered: Fall 2020
Broadcast: Tuesdays at 02:00 (JST)
Producers: Lantis, FuRyu
Licensors: Funimation
Studios: Doga Kobo
Source: Manga
Genres: ComedyComedy, FantasyFantasy
Theme: MythologyMythology
Demographic: ShounenShounen
Duration: 23 min. per ep.
Rating: PG-13 - Teens 13 or older

Statistics

Score: 7.981 (scored by 9940899,408 users)
1 indicates a weighted score.
Ranked: #6682
2 based on the top anime page. Please note that 'Not yet aired' and 'R18+' titles are excluded.
Popularity: #1130
Members: 215,093
Favorites: 2,293

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Preliminary Spoiler
Dec 22, 2020
'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 the best quality for her to sleep even if it means murdering demons and destroying useful items. What makes the story even ...
Dec 21, 2020
*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 gave her an old mattress and sheet to sleep on. How is our princess supposed to have a restful ...
Dec 21, 2020
As humans, we all have three necessities in life: breathe, eat, and sleep. If you go extended amount of time without any of these three, then death will await you at open doors. However, sleep is a more subjective and everyone gets different amounts. What about the princess of the human kingdom though? How much sleep does Syalis need every day in her life?

Those coming into a magical-fantasy story like this should keep your expectations in check. This isn’t some complex tale crafted with deep lore or character study. If it can even be called that, Syalis is a princess that wants nothing more than ...
Nov 16, 2020
Preliminary (7/12 eps)
For a show that I have been looking forward to just by reading the summary before airing and was pleasantly satisfied with after watching, I give a rare rating of 10, 2 points higher than an 8, a number I customarily give out in my reviews like handing out flyers.

In this anime, there are two main disappointments, fortunately over-compromised by positive factors, that may be a hindrance to your indulgence of this show or not be so depending on what they are.

The first disappointment is the obligation you feel to accept a humour that you feel a slight restraint towards. Your thoughts sometimes run ...
Oct 26, 2020
Preliminary (4/12 eps)
There is a lot of care and charm when it comes to this show. You wouldn't think such a simple concept would come off so well as it does here. For now at least, it's doing well, but there is the issue that it will become repetitive. But it has been a great watch so far, and here is why!

The story is pretty simple, princess is captured and kidnapped and taken into a demon castle to be held prisoner, and for a hero to go on a journey to save her. But all of that basically goes out the window, as we're here to watch ...
Dec 21, 2020
Maoujou de Oyasumi was one of Fall 2020’s biggest surprises. Given the fact that DG are one of my favourite studios, it was a given that I would check the show out. I was not expecting it to be this damn good, though.

On the surface, the show is pretty basic. Princess gets kidnapped from her country and hero sets out to find her and bring her home. What sets it apart is the fact that the princess actually enjoys her captivity more than being at home, and is constantly looking for ways to improve her sleep. We follow Syallis on her journey to find ...
Dec 21, 2020
Tl;dr: A wholesome, fun experience with a good message that bases its comedy on its characters and jabs on the anime fantasy genre.

(Light spoilers ahead, but… this is a slice of life-esque fantasy-based anime. Is there really anything to spoil?)

“Today was a wonderful and uneventful day” - Princess Aurora Sura Rhys “Syalis” Kaymin.

Great anime come in all shapes and forms. Some greats pull off different complex themes that transcend the norm and challenge the viewers to think about its messages and leave the viewer deep into thought after they finish the show. And some other greats masterfully build up their worlds and characters to establish ...
Dec 16, 2020
Preliminary (11/12 eps)
Warning, this review is coming from a manga reader's perspective so there may be spoilers included but I'll try to refrain from spoiling them as much as possible. Again, read this review at your own risk.

Also, to those who may think the rating is quite harsh (due to it being a 4), this is purely my own opinion when comparing the manga and anime. Yes, the anime has done decently in adapting the manga. However, there are bunch of lapses that prevented me from enjoying the anime completely.

Now, onto the review.

For the most part, the anime has done quite well. It's quite ...
Dec 21, 2020
Mixed Feelings
“I’m not locked in here with you… You’re locked in here with me!”

The tittle is a big lie, don’t get fooled. Maoujou de Oyasumi is not about a moe kidnapped princess trying to get a good sleep. It is not. Of course not. Absolutely not. This is about a psychopath, serial murder going rampage, mercilessly killing and torturing helpless and unaware demons, without any sort of empathy or regret in her big, star-speckled purple eyes. Her cute, harmless appearance and monotonous, expressionless voice don’t stop her from doing the most atrocious actions, from stealing important army stuffs, torturing people under questionable excuses, or emotionally manipulating ...
Nov 28, 2020
Preliminary (8/12 eps)
If you looking for a lovely story in a lightly presented anime, as I call fuwa-fuwa anime by genre. Then you found it!

In category, (Fluffy-Fluffy-Anime) is for everyone I think. I mean, you don't need to think of anything. It's simple, sweet, cute, adorable. What else do you need before bedtime? Find a comfy place, get some snacks and enjoy all this awful circumstances that poor little sleepy princess got into.

The animation is beautiful. 9/10
The sound is comfy. 9/10
The characters are well written and funny. 9/10
The enjoyment is great, I laughed so much.
Overall, Maoujou de Oyasumi is a Gem, between a ...
Dec 21, 2020
Maoujou de Oyasumi was a wild ride for me. Watching it weekly was a true joy, and I can't say enough how much I enjoyed this series. Mondays are traditionally the worst day of the week, and for this series to come out every week on a Monday brightened my mood until the next episode. I truly recommend this show to every single person, and while I don't think it holds much meaning or provides much story (and is definitely not bingeable), it is the incarnate of why I watch anime - happiness and escape.

Maoujou de Oyasumi follows the story of Princess Aurora Sya Lis ...
Jan 5, 2021
How long do you sleep a day? Well, for most, 8 hours is enough to rest from a long day of activities. For our beloved Princess Suya, 80% of the time is vital to her noble routine. But ... Could an anime like Maoujou de Oyasumi, who has a different idea and highly easy to talk about, overcome any negative criticism? Fortunately, it can be said that yes.

When I looked at the anime catalog for that last season of 2020, I was surprised that Maoujou de Oyasumi was on the list. This is due to the anime being adapted by the studio Doga Kobo, one ...
Dec 21, 2020
The story is very simple. Beginning with a typical hero versus demon intro, in which the princess of the human world is captured by the demons - already setting up the plotline where the hero will save the princess...

...but, what if it never branched off into a typical damsel-in-distress series?

Maoujou de Oyasumi manages to literally break all the possible tropes most action series have, while providing a surprisingly wholesome/calming experience for the viewers. Whether you like or hate to sleep, I think this series is a prime example of what upcoming goofy slice of life anime should be like - hence I believe most ...
Dec 21, 2020
"1001 Ways to Pamper (or get rekted by) a Human Hostage in a Demon Castle" the Animation, feat. the sweet and cunningly-voiced Inori Minase.

You know what makes a warm, fuzzly feeling of overflowing goodness in your heart? It's the sweet, tantalizing, emotional feels and cuddly beings that encompasses all that pizzazz, topped up with a batch of light-heartedness with wholesomeness. And Maoujou no Oyasumi (a.k.a Sleepy Princess in the Demon Castle) is just that: a human princess that's been kidnapped by the Demon King, but her only objective of pursuit is to have a good night's sleep, BY HOOK OR BY CROOK. And no, she ...
May 28, 2021
Fall 2020 was definitely a great season, a ton of great shows span across a wide variety of genres that surely will satisfied anyone. Even so, Maoujou de Oyasumi is still a pleasant and welcoming surprise. An unexpected hilarious anime, bringing fresh airs to the overpopulated genre that is seemingly overflowing with edgy dark and vulgar humor.

A prisoner's life is kinda tedious and there's not much thing you can do but sleeping. But thing is a little bit different for princess Sya (I'll call her Sya-hime). Captured by the demon king, as a pro sleeper, she can't bear the terrible bed in the cell. ...
Dec 21, 2020
Maoujou de Oyasumi (2020)

When I saw this at the start of the season I thought it looks nice I will add it to my watch later list. Eventually, due to a quarantine, I had a lot more time on my hands so I watched 11 episodes of this show over the weekend prior to episode 12 and honestly I am so glad I did. It is a really nice, relaxing and great paced show that was a great ride. It even has a nice ending with plenty of Manga to adapt further if possibly wanted.

The art style is very much reminiscent of Mairimashita! Iruma-kun ...
Mar 25, 2023
"Masterpiece" nowadays is something thrown around too lightly. Shows ridden with flaws get the green-light for this rating, purely off "hype" and recency bias. Maou-jou de Oyasumi however, is a show unlike any other. In this review I am determined to prove to you with objective facts and deep analysis, why this show has no peer.




Plot: 10/10




...
Jul 6, 2021
Sleepy Princess in the Demon Castle.

"A shoujo anime that's probably a beauty in the beast knockoff."
...is what an idiot would think.

Okay, so you've read the Synopsis. What's so interesting about a girl unable to sleep inside of a demon castle? What plot is there even to fit in there? Well to answer the second question... Close to none. However, just because there's hardly a plot to follow, doesn't mean that it isn't interesting.

One of the key aspects of this anime is comedy. If you dislike comedy, you may potentially dislike this show. However, this show took the comedy to another level with a completely different ...
Nov 10, 2020
Preliminary (6/12 eps)
Need an anime to watch before bedtime? This show's perfect for the job! Maoujou de Oyasumi or "Sleepy Princess in the Demon Castle" is by far the cutest show to hit the air this season. It's charming, it's hilarious, it's good a damn good MC and it's the one show I've been happy to watch this whole season.

Story: The story is simple at its core, but that's just because this is a comedy and the writers need something small to work off of. You would think it'd be pretty hard to make something as simple as "Princess stuck in a tower trying to sleep" ...
Feb 5, 2021
I know what you're thinking? And I was thinking like you before it was about to air...

How can a series about a princess who's obsessed with sleep that makes her finds ways to get the best sleeping method in a noisy and gloomy castle belonging to the Demon Lord be interesting from start to finish?

Turns out it's one of the best comedy and fluffy anime series I've ever seen in my entire life. To me, this series can be a cure after either you're having a long & dreadful day or you're tired of seeing repetitive comedy anime that becomes too mediocre that you're about ...