Sshhh! Princess Syalis is trying to get a good night's sleep. Some shut-eye. Forty winks. Catch some Z's. Long ago in olden times when people and demons lived together in—well, disharmony, really—a demon king kidnaps a human princess and imprisons her in his castle. Bereft, the princess's subjects beat their chests in anguish…until a hero arises to spearhead Project Rescue Our Princess! While waiting for her knight in shining armor, what's an imprisoned princess to do...? Teddy-bear guards with bat wings are all very well, but her dungeon cell is bo-o-o-ring! So, she decides to wile away the long hours by sleeping. Now if only she could get comfortable…and didn't suffer from insomnia... (Source: VIZ Media)
Episodes
More Like This
Sleepy Princess in the Demon Castle
Maou-jou de Oyasumi • 魔王城でおやすみ
Overview & Storyline
Sshhh! Princess Syalis is trying to get a good night's sleep. Some shut-eye. Forty winks. Catch some Z's. Long ago in olden times when people and demons lived together in—well, disharmony, really—a demon king kidnaps a human princess and imprisons her in his castle. Bereft, the princess's subjects beat their chests in anguish…until a hero arises to spearhead Project Rescue Our Princess! While waiting for her knight in shining armor, what's an imprisoned princess to do...? Teddy-bear guards with bat wings are all very well, but her dungeon cell is bo-o-o-ring! So, she decides to wile away the long hours by sleeping. Now if only she could get comfortable…and didn't suffer from insomnia... (Source: VIZ Media)
Episodes Collection
12 AvailableCharacters & Voice Cast
Official Japanese Seiyuu
Aurora Suya Rhys Kaymin
MAIN
Maou Tasogare
SUPPORTING
Akuma Shuudoushi
SUPPORTING
Haritoge Majiro
SUPPORTING
Yuusha Akatsuki
SUPPORTING
Debi Akuma
SUPPORTING
Red Siberian Kai
SUPPORTING
Yashiki Teshita Goblin
SUPPORTINGYou May Also Like
Explore More
Frequently Asked Questions about Sleepy Princess in the Demon Castle
Direct AnswersWhere can I watch Sleepy Princess in the Demon Castle online for free?
You can stream Sleepy Princess in the Demon Castle in 1080p Ultra HD on 9-anime.si. We offer fast CDN streaming with both English Subbed and English Dubbed audio tracks, free of popups and account registration.
Does Sleepy Princess in the Demon Castle have English Dubbed audio?
Yes, English Dub audio is available alongside original Japanese voice audio with high-precision English subtitles. You can toggle audio streams using our multi-server player.
How many episodes does Sleepy Princess in the Demon Castle have?
Sleepy Princess in the Demon Castle features 12 complete episodes in high definition.