Where to Watch Sleepy Princess in the Demon Castle

Q: How does a VPN affect streaming?

A VPN for streaming can actually improve your experience. Some Internet Service Providers (ISPs) may throttle your speed when they detect streaming traffic. With SafeShell VPN, your online activity is encrypted, so your ISP can’t slow down your connection. It also lets you stream as if you were in another region, helping you access geo-restricted content and watch shows available only in specific countries — all with fast, private, and secure streaming.

HOME > Streaming > Sleepy Princess in the Demon Castle

Sleepy Princess in the Demon Castle

Animation & Comedy & Sci-Fi & Fantasy Japanese

Syalis is a princess. A really cute one. When she gets kidnapped by the Demon King as a hostage, she's stuck in a castle full of demons, waiting to be rescued by her knight in shining armor. So what does she do? What any of us would. Take a nap—on a pillow she fashioned from her Teddy Demon guards. Duh.

Get SafeShell Stream Now

84%

UserScore

Key word

magic
supernatural
princess
parody
slice of life
based on manga
demon
fantasy world
shounen
anime

Stars

poster

Inori Minase

Princess Syalis (voice)

poster

Kaito Ishikawa

Demon Cleric (voice)

poster

Yoshitsugu Matsuoka

Demon King Tasogare (voice)

poster

Hiro Shimono

The Hero Akatsuki (voice)

poster

Rikiya Koyama

Majiro the Hedgehog (voice)

poster

Kouichi Souma

Frankenzombie (voice) / Ghost Wrapping Paper (voice)

poster

Junichi Suwabe

Caesar Magician (voice)

poster

Shinya Takahashi

Goblin Serf (voice)

poster

Chikahiro Kobayashi

Red Siberian (voice)

poster

Sayaka Ohara

Harpy (voice)

poster

Ayane Sakura

Aladdif (voice)

poster

Takeo Otsuka

Poseidon (voice)

poster

Masashi Yamane

Minotauro (voice)

poster

Takaya Kuroda

Flame Poison Dragon (voice)

poster

Sayaka Ohara

Neo Alraune (voice)

poster

Shin-ichiro Miki

Hypnos (voice)

poster

Kisho Taniyama

Hades (voice)

Summary

Specials

2020-10-08

Mini: Chibi shorts released on the anime's official Twitter page. Live 2D: Short animations of Princess Syalis sleep talking released on the anime's official Twitter page.

Where to Watch Live Streams | SafeShell VPN for Netflix, Sports & More

SafeShell VPN: How to Watch Streaming Services Securely Anywhere

Step 1

Download SafeShell VPN

Download VPN

Step 2

Set up App mode and connect to VPN

What is App Mode

Step 3

Strat streaming

Why Choose SafeShell

SafeShell VPN Support streaming service

*A separate streaming subscription may be required

FAQ

Is using a VPN for streaming legal?

Using a VPN for streaming is not illegal, but you should follow each platform’s terms of service.For example, Netflix allows access only in regions where it’s licensed to stream content.Using a VPN to watch shows outside your licensed region may violate Netflix’s policy, though it’s not a crime.
With SafeShell VPN, you can securely access your streaming services while traveling, enjoy fast, private streaming, and stay compliant with content policies.

How does a VPN affect streaming?

A VPN for streaming can actually improve your experience.Some Internet Service Providers (ISPs) may throttle your speed when they detect streaming traffic.With SafeShell VPN, your online activity is encrypted, so your ISP can’t slow down your connection.
It also lets you stream as if you were in another region, helping you access geo-restricted content and watch shows available only in specific countries — all with fast, private, and secure streaming.

How do l set up a VPN for streaming?

You can start streaming safely with SafeShell VPN in just three simple steps:
1. Download and install SafeShell VPN on your device, then sign up for an account.
2. Connect to a streaming-optimized server in your preferred country.
3. Open your streaming service, log in if needed, and enjoy your favorite shows securely from anywhere.
With SafeShell VPN, you get fast, private, and buffer-free streaming on all major platforms.