Sleepy Princess in the Demon Castle — Season 1
A drowsy human princess roams the demon's castle where she's held prisoner, trying to find a comfortable place to get a good night's sleep.
01 Sleepless Princess of the Castle
Oct 6, 202024m★ 6.3
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.
02 The Princess and Furious Fluff
Oct 13, 202024m★ 6.3
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.
03 The Princess and Forbidden Knowledge
Oct 20, 202024m★ 6.5
Princess Syalis is on the loose again meddling with forbidden magical items and causing total mayhem for the Demon Castle.
04 The Princess, Destruction, and a Short Journey
Oct 27, 202024m★ 6.5
Fed up with her circumstances at the Demon Castle, Princess Syalis goes to great lengths to add luxuries to her castle prison.
05 The Princess and Female Warriors
Nov 3, 202024m★ 6.5
The female unit, long deployed out in the field, has returned to the Demon Castle to get their first taste of Princess Syalis.
06 The Princess’ Unwavering Choice
Nov 10, 202024m★ 6.5
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.
07 Even More Sleepless Princess of the Castle
Nov 17, 202024m★ 6.5
Princess Syalis wakes to find herself in a completely different castle! What happened and how will she return to the Demon Castle?
08 The Princess and the Frightful Demon Nightmare
Nov 24, 202024m★ 6.5
Back at the Demon Castle, Princess Syalis interrupts an important meeting to share about her haunted dreams.
09 The Princess and Hostage Training Week
Dec 1, 202024m★ 6.5
It’s time for Princess Syalis to start acting like a proper hostage, so the demon king issues a decree to help change that.
10 The Princess in Endopolis
Dec 8, 202024m★ 6.5
Princes Syalis is determined to get her hands on the latest and greatest sleep product, but it’s only available in the Human Realm.
11 The Princess and Troubling Dreams
Dec 15, 202024m★ 6.0
Princess Syalis feels tired no matter how much sleep she gets, and her troubling dreams aren’t helping.
12 Sleeping Princess of the Demon Castle
Dec 22, 202024m★ 6.0
Despite living as a captive in the Demon Realm, the princess writes a letter to Santa. The letter’s contents shock the demon king.