Sleepy Princess in the Demon Castle poster

Season 1

2020 · 12 episodes

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.

1Sleepless Princess of the CastlePrincess 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.
2The Princess and Furious FluffAs 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.
3The Princess and Forbidden KnowledgePrincess Syalis is on the loose again meddling with forbidden magical items and causing total mayhem for the Demon Castle.
4The Princess, Destruction, and a Short JourneyFed up with her circumstances at the Demon Castle, Princess Syalis goes to great lengths to add luxuries to her castle prison.
5The Princess and Female WarriorsThe female unit, long deployed out in the field, has returned to the Demon Castle to get their first taste of Princess Syalis.
6The Princess’ Unwavering ChoiceDawner 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.
7Even More Sleepless Princess of the CastlePrincess Syalis wakes to find herself in a completely different castle! What happened and how will she return to the Demon Castle?
8The Princess and the Frightful Demon NightmareBack at the Demon Castle, Princess Syalis interrupts an important meeting to share about her haunted dreams.
9The Princess and Hostage Training WeekIt’s time for Princess Syalis to start acting like a proper hostage, so the demon king issues a decree to help change that.
10The Princess in EndopolisPrinces Syalis is determined to get her hands on the latest and greatest sleep product, but it’s only available in the Human Realm.
11The Princess and Troubling DreamsPrincess Syalis feels tired no matter how much sleep she gets, and her troubling dreams aren’t helping.
12Sleeping Princess of the Demon CastleDespite living as a captive in the Demon Realm, the princess writes a letter to Santa. The letter’s contents shock the demon king.

Episodes