Maou-jou de Oyasumi
Also known as Sleepy Princess in the Demon Castle
Kumanomata Kagiji
- Mangaka
- Kumanomata Kagiji
- First published
- 2016
- Status
- Ongoing
- Original language
- Japanese
- Genres
- Monsters · Action · Demons · Romance
- Content rating
- Safe
Where to find one
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Where it came from
Maou-jou de Oyasumi, known in English as Sleepy Princess in the Demon Castle, is a comedy manga series written and illustrated by Kumanomata Kagiji. Serialized in Weekly Shonen Sunday starting in 2016, the story follows Princess Syalis, who is kidnapped by the Demon King but remains entirely unfazed by her imprisonment, focusing her efforts exclusively on finding creative ways to improve her quality of sleep within the castle.
The series is celebrated for its subversion of classic fantasy tropes, contrasting the high-stakes atmosphere of a dark demon realm with the mundane, domestic pursuits of its protagonist. Kumanomata Kagiji’s clean, expressive character designs and clever gag-based storytelling have earned the manga a dedicated following, ultimately leading to its adaptation into an anime series by Doga Kobo in 2020.
Written by Pi, the helpful collecto.rs AI
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About Maou-jou de Oyasumi
Maou-jou de Oyasumi is a series in the Manga catalog on collecto.rs. Kumanomata Kagiji. Catalog data is sourced from MangaDex. No public series collectors track this one yet — adding yours would make you the first on collecto.rs.
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