Sleepy Princess In The Demon Castle: Anime’s New Video And Song Revealed 

Sleepy Princess In The Demon Castle anime’s official website posted the anime’s second promotional video on Thursday. The anime is adapted originally from the manga. Here’s everything you need to know about the upcoming anime!

Watch the newly launched video here!

Sleepy Princess In The Demon Castle: New Reveals!

The newly launched video previews the anime’s opening theme song “Kaimin! Anmin! Syalist Seikatsu“. Inori Minase has originally sung the song.

The new video also reveals that the anime will premiere on October 5.

The anime’s official website also launched a video last month. In that video, they revealed the anime’s cast and crew members.

Inori Minase will play Princess Syalis and Yoshitsugu Matsuoka will appear as the Demon King Tasogare. Kaito Ishikawa will join them as the Demon Cleric.

Sleepy Princess In The Demon Castle
Source: VIZ Media

Mitsue Yamazaki (How Heavy Are the Dumbbells You Lift? Tada Never Falls in Love) is the series’ director. He is directing the TV anime at Doga Kobo (The Helpful Fox Senko-san, Monthly Girls’ Nozaki-Kun). Yoshiko Nakamura is the series’ scriptwriter and Ai Kikuchi is designing the characters.

Viz Media will publish the manga’s English version for the audience around the world.


Princess Syalis is trying to get some good sound sleep with her eyes shut and forty winks catching some Zs. Many centuries ago, in olden times people and demons used to live together. Well, not with harmony, but they did live together.

At that time, a demon king kidnaps a human princess and imprisons her in his castle. The entire kingdom gets furious but is afraid of the demon. During these tragic times, a hero arises to spearhead Project Rescue Our Princess! The imprisoned princess waits for her knight in shining armor to come and rescue her.

Sleepy Princess In The Demon Castle
Source: VIZ Media

The dungeon is boring for the princess who once had an entire palace to herself. So she decides to kill time by sleeping. Now if only she could get comfortable…and didn’t suffer from insomnia…

The manga premiered in Shogakukan’s Weekly Shonen Sunday magazine in May 2016. Kumanomata launched the original manga. The manga is currently ongoing. The manga’s latest came out on April 16. The coronavirus pandemic has disrupted the entire schedule.

We will bring more details about the anime as soon as the creators make any new announcement. Until then, stay tuned and keep reading for all the latest updates!

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