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.
#1 | 10/06/2020Sleepless Princess of the Castle3.5/5 (with 1 vote)
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.
#2 | 10/13/2020The Princess and Furious Fluff3.5/5 (with 1 vote)
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.
#3 | 10/20/2020The Princess and Forbidden Knowledge3.5/5 (with 1 vote)
Princess Syalis is on the loose again meddling with forbidden magical items and causing total mayhem for the Demon Castle.
#4 | 10/27/2020The Princess, Destruction, and a Short Journey3.5/5 (with 1 vote)
Fed up with her circumstances at the Demon Castle, Princess Syalis goes to great lengths to add luxuries to her castle prison.
#5 | 11/03/2020The Princess and Female Warriors3.5/5 (with 1 vote)
The female unit, long deployed out in the field, has returned to the Demon Castle to get their first taste of Princess Syalis.
#6 | 11/10/2020The Princess’ Unwavering Choice3.5/5 (with 1 vote)
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.
#7 | 11/17/2020Even More Sleepless Princess of the Castle3.5/5 (with 1 vote)
Princess Syalis wakes to find herself in a completely different castle! What happened and how will she return to the Demon Castle?
#8 | 11/24/2020The Princess and the Frightful Demon Nightmare3.5/5 (with 1 vote)
Back at the Demon Castle, Princess Syalis interrupts an important meeting to share about her haunted dreams.
#9 | 12/01/2020The Princess and Hostage Training Week3.5/5 (with 1 vote)
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 | 12/08/2020The Princess in Endopolis3.5/5 (with 1 vote)
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 | 12/15/2020The Princess and Troubling Dreams3.0/5 (with 2 votes)
Princess Syalis feels tired no matter how much sleep she gets, and her troubling dreams aren’t helping.
#12 | 12/22/2020Sleeping 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.
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.
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