Sleepy Princess in the Demon Castle

• 
  E1

  Sleepless Princess of the Castle

  Princess Syalis is abducted from her home of the Nation of Goodereste by Twilight the Demon King. Despite the horrors lurking in the Demon Castle, all Princess Syalis wants is a good night’s sleep.

  2020-10-06 · 24m
• 
  E2

  The Princess and Furious Fluff

  As Dawner the Hero faces perilous obstacles to rescue Princess Syalis, the princess continues to find creative ways to sleep more comfortably at the Demon Castle.

  2020-10-13 · 24m
• 
  E3

  The Princess and Forbidden Knowledge

  Princess Syalis is on the loose again meddling with forbidden magical items and causing total mayhem for the Demon Castle.

  2020-10-20 · 24m
• 
  E4

  The Princess, Destruction, and a Short Journey

  Fed up with her circumstances at the Demon Castle, Princess Syalis goes to great lengths to add luxuries to her castle prison.

  2020-10-27 · 24m
• 
  E5

  The Princess and Female Warriors

  The female unit, long deployed out in the field, has returned to the Demon Castle to get their first taste of Princess Syalis.

  2020-11-03 · 24m
• 
  E6

  The Princess’ Unwavering Choice

  Dawner the Hero is having more trouble than expected on his journey to the Demon Castle, so the demon higher ups decide to take some action.

  2020-11-10 · 24m
• 
  E7

  Even More Sleepless Princess of the Castle

  Princess Syalis wakes to find herself in a completely different castle! What happened and how will she return to the Demon Castle?

  2020-11-17 · 24m
• 
  E8

  The Princess and the Frightful Demon Nightmare

  Back at the Demon Castle, Princess Syalis interrupts an important meeting to share about her haunted dreams.

  2020-11-24 · 24m
• 
  E9

  The Princess and Hostage Training Week

  It’s time for Princess Syalis to start acting like a proper hostage, so the demon king issues a decree to help change that.

  2020-12-01 · 24m
• 
  E10

  The Princess in Endopolis

  Princes Syalis is determined to get her hands on the latest and greatest sleep product, but it’s only available in the Human Realm.

  2020-12-08 · 24m
• 
  E11

  The Princess and Troubling Dreams

  Princess Syalis feels tired no matter how much sleep she gets, and her troubling dreams aren’t helping.

  2020-12-15 · 24m
• 
  E12

  Sleeping Princess of the Demon Castle

  Despite living as a captive in the Demon Realm, the princess writes a letter to Santa. The letter’s contents shock the demon king.

  2020-12-22 · 24m

Top cast

Inori Minase

Princess Syalis (voice)

Kaito Ishikawa

Demon Cleric (voice)

Yoshitsugu Matsuoka

Demon King Tasogare (voice)

Hiro Shimono

The Hero Akatsuki (voice)

Rikiya Koyama

Majiro the Hedgehog (voice)

Kouichi Souma

Frankenzombie (voice) / Ghost Wrapping Paper (voice)

Junichi Suwabe

Caesar Magician (voice)

Shinya Takahashi

Goblin Serf (voice)

Chikahiro Kobayashi

Red Siberian (voice)

Sayaka Ohara

Harpy (voice)

Ayane Sakura

Aladdif (voice)

Takeo Otsuka

Poseidon (voice)