Sleepy princess in the demon castle

"A captured princess just wants a good night's sleep! Imprisoned in the castle of the Demon King, all that spoiled-sweet Princess Syalis dreams of is a good night's sleep! Shhh... While waiting to be rescued, Princess Syalis makes herself at home by commandeering a bathtub, befriending (sort of) a cute demon girl and participating in a castle fitness challenge. Her plots to get some shuteye include stealing ice from Frost Demons to cool off on a hot...

"Accompanied by an entourage of demon guards, Princess Syalis takes a field trip to the human world to acquire a special pillow. Then she receives several invitations from her demon captors: first, to replace the cooks who have succumbed to heat exhaustion in the Demon Castle Kitchen. Second, to attend a pajama party. And third, to design a new area for the hero to explore"--

Kidnapped by the Demon King and imprisoned in his castle, Princess Syalis is...bored. Princess Syalis's luxurious lifestyle is wreaking havoc on the Demon Castle's budget. When the Demon King cuts back on expenses so that she is no longer supported in the style to which she is accustomed, the princess must find other strategies to satisfy her extravagant tastes. Then, when the newly hired demon staff arrive for their orientation at the Demon Castle--complete...

"A captured princess just wants a good night's sleep! Shhh... Kidnapped by the Demon King and imprisoned in his castle, Princess Syalis is...bored. Princess Syalis refuses to play the part of the damsel in distress in a video begging Dawner, the bumbling knight in shining armor, to rescue her. Instead, she wants to be an armchair detective, a D.I.Y. hairdresser, and best friend to all things furry. But she is mistaken for Poseidon's girlfriend, an...

"A captured princess just wants a good night's sleep! Shhh... Kidnapped by the Demon King and imprisoned in his castle, Princess Syalis is...bored... The Demon Castle staff procure a flock of Monster Bird chicks to ensure a steady supply of eggs, but their problems only grow. The princess's efforts to help the Demon Castle weather a financial crisis range from the criminal to the musical. Mechanical Zone boss M.O.T.H.E.R. creates a mechanical marvel...

"A captured princess just wants a good night's sleep! Shhh ... Kidnapped by the Demon King and imprisoned in his castle, Princess Syalis is ... bored ... The Demon King and his troops travel to a demilitarized zone bordering the demon world and the human world for some intense physical training alongside their human counterparts. When one group mocks the other, Syalis is hell-bent on putting them in their place! While the Demon Castle recovers from...

A captured princess just wants a good night's sleep! Shhh Kidnapped by the Demon King and imprisoned in his castle, Princess Syalis is...bored. Demon King Twilight's childhood friend Agave sneaks into the castle determined to reunite with him, but the princess keeps getting in her way. Hades tries to reconcile with his little brother Zeus, but the princess gets mixed up in their business too. Meanwhile, Alazif the grimoire gets a form of hay fever...

"When the Demon Castle collapses (unbelievably, not due to the actions of the usual suspect), its staff and "guest" go glamping in the surrounding environs. Rebuilding is taking too long, however, so Demon King Twilight resorts to drastic measures! Now everyone is afraid of him--except for one resident who still sees him as he truly is. Plus, the princess tries to unveil Fire Venom Dragon, grimoire Alazif finally finds someone to appreciate him, and...

"Kidnapped by the Demon King and imprisoned in his castle, Princess Syalis is...bored. A secretly filmed video of life at the Demon Castle embarrasses its occupants. Agave finally confronts her demons--or rather, the Demon King. Then, when Princess Syalis messes with a magical spinning wheel, it's Poseidon who takes the hit. To rescue the god of the sea, the princess must embark on a deep dive into the history of the spell and...her own family?! Plus,...

"Kidnapped by the Demon King and imprisoned in his castle, Princess Syalis is...bored. The Monster Bird Egg Association's efforts to poach Cursed Musician prove short-lived as Odile's true motivations are revealed. Meanwhile, Silmoth brings some much-needed experience and dignity back to the Ten Guardians-right up until the princess enters the scene. Then, the residents of the Demon Castle discover the power of partying and Twilight is forced to decide...