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Sleepy Princess in the Demon Castle, Vol. 28
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Sleepy Princess in the Demon Castle, Vol. 28 by Kagiji Kumanomata 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. Dreams are coming true at the Demon Castle—though unfortunately only the nightmarish...
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Sleepy Princess in the Demon Castle, Vol. 28
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Description
Sleepy Princess in the Demon Castle, Vol. 28 by Kagiji Kumanomata
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.
Dreams are coming true at the Demon Castle—though unfortunately only the nightmarish kind! As the castle prepares for a historic meeting of the Demon World’s movers and shakers, will they be able to keep the chaos under control? Meanwhile, Zastur’s wayward clone is (kinda, sorta) dealt with, the Demon King’s (middle school) delinquent desires are made manifest, and the princess rocks some dragons in a battle for the seven (legally distinct) Dragun Balls!
Series: Sleepy Princess in the Demon Castle
View all-
Sleepy Princess in the Demon Castle, Vol. 1
Sleepy Princess in the Demon Castle, Vol. 1 by Kagiji Kumanomata 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. She decides to while away the hours by sleeping, but getting a good night’s rest turns out to be a lot of work! She begins...Paperback$1900Elsewhere:$2099Unit price /UnavailableAvailableShips in 4-6 weeks -
Sleepy Princess in the Demon Castle, Vol. 29
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 Plenary Demon Conference is finally here! With all the Demon World’s movers and shakers gathered in one spot, surely there’s no way whatsoever that Princess Syalis will mess it up—certainly not by becoming a giant nightmare-infused monster bearing...Paperback$2099Unit price /UnavailableAvailableShips in 4-6 weeks -
Sleepy Princess in the Demon Castle, Vol. 22
Sleepy Princess in the Demon Castle, Vol. 22 by Kagiji Kumanomata 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 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...Paperback$2099Unit price /UnavailableAvailableShips in 4-6 weeks -
Sleepy Princess in the Demon Castle, Vol. 23
Sleepy Princess in the Demon Castle, Vol. 23 by Kagiji Kumanomata 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. Alraune’s showdown with the hero’s party is brought to an explosive end. Poseidon throws a fit when the construction of the gate between the castles is...Paperback$2099Unit price /UnavailableAvailableShips in 4-6 weeks -
Sleepy Princess in the Demon Castle, Vol. 27
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. Great Red Siberian has gone missing! Is the Demon King’s lackadaisical pet parenting responsible for his sudden disappearance, or does the arrival of a mysterious new enemy have something to do with it? Then once that’s dealt...Paperback$2099Unit price /UnavailableAvailableShips in 4-6 weeks -
Sleepy Princess in the Demon Castle, Vol. 19
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. When Teddy Demon gets into a kerfuffle with Eggplant Seal, the cuteness is un-bear-able. But then Teddy Demon gets lost and is rescued by… the hero Dawner’s inept rescue party?! Meanwhile, Quilladillo’s fitness regimen doesn’t come...Paperback$2099Unit price /UnavailableAvailableShips in 4-6 weeks -
Sleepy Princess in the Demon Castle, Vol. 28
Sleepy Princess in the Demon Castle, Vol. 28 by Kagiji Kumanomata 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. Dreams are coming true at the Demon Castle—though unfortunately only the nightmarish kind! As the castle prepares for a historic meeting of the Demon World’s movers...Paperback$2099Unit price /UnavailableAvailableShips in 4-6 weeks -
Sleepy Princess in the Demon Castle, Vol. 26
Sleepy Princess in the Demon Castle, Vol. 26 by Kagiji Kumanomata 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. Twilight, Zeus, and the princess must face a truly harrowing challenge—attending Goodereste Royal Academy incognito! Things quickly go awry when they encounter a group of...Paperback$2099Unit price /UnavailableAvailableShips in 4-6 weeks -
Sleepy Princess in the Demon Castle, Vol. 3
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. Winter has come, and Princess Syalis will do anything to stay warm, including creating a DIY magical device (known as a “Ko-tatsu”), knitting woolen underwear, and trying to convince the castle blacksmith to make her a...Paperback$2099Unit price /UnavailableAvailableShips in 4-6 weeks -
Sleepy Princess in the Demon Castle, Vol. 16
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...Paperback$2099Unit price /UnavailableAvailableShips in 4-6 weeks -
Sleepy Princess in the Demon Castle, Vol. 24
Sleepy Princess in the Demon Castle, Vol. 24 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. Another milestone for the Demon Castle is (unintentionally) celebrated with surf, sand, and sun. Quilladillo discovers the hidden costs of fame, while Vampire discovers the incredible power of...Paperback$2099Unit price /UnavailableAvailableShips in 4-6 weeks -
Sleepy Princess in the Demon Castle, Vol. 4
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. Valentine’s Day arrives, and Princess Syalis is hard put to get the haul of chocolate she’s accustomed to receiving back home in her kingdom. Her latest plots to get a better night’s rest include learning to...Paperback$2099Unit price /UnavailableAvailableShips in 4-6 weeks
Book Details
INFORMATION
ISBN: 9781974755929
Publisher: Viz Media, Subs. of Shogakukan Inc
Format: Paperback / softback
Date Published: 28 August 2025
Country: United States
Imprint: Viz Media, Subs. of Shogakukan Inc
Audience: General / adult
DIMENSIONS
Spine width: 18.0mm
Width: 127.0mm
Height: 191.0mm
Weight: 147g
Pages: 168
About the Author
The creator of Sleepy Princess in the Demon Castle graduated from the BUNSEI University of Art. His first serialized series, Nuigurumi Crush, began in 2013 in Weekly Shonen Sunday S and concluded in 2015. Sleepy Princess began serialization in Weekly Shonen Sunday in 2016.
Also by Kagiji Kumanomata
View all-
Sleepy Princess in the Demon Castle, Vol. 1
Sleepy Princess in the Demon Castle, Vol. 1 by Kagiji Kumanomata 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. She decides to while away the hours by sleeping, but getting a good night’s rest turns out to be a lot of work! She begins...Paperback$1900Elsewhere:$2099Unit price /UnavailableAvailableShips in 4-6 weeks -
Sleepy Princess in the Demon Castle, Vol. 29
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 Plenary Demon Conference is finally here! With all the Demon World’s movers and shakers gathered in one spot, surely there’s no way whatsoever that Princess Syalis will mess it up—certainly not by becoming a giant nightmare-infused monster bearing...Paperback$2099Unit price /UnavailableAvailableShips in 4-6 weeks -
Sleepy Princess in the Demon Castle, Vol. 22
Sleepy Princess in the Demon Castle, Vol. 22 by Kagiji Kumanomata 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 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...Paperback$2099Unit price /UnavailableAvailableShips in 4-6 weeks -
Sleepy Princess in the Demon Castle, Vol. 23
Sleepy Princess in the Demon Castle, Vol. 23 by Kagiji Kumanomata 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. Alraune’s showdown with the hero’s party is brought to an explosive end. Poseidon throws a fit when the construction of the gate between the castles is...Paperback$2099Unit price /UnavailableAvailableShips in 4-6 weeks -
Sleepy Princess in the Demon Castle, Vol. 27
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. Great Red Siberian has gone missing! Is the Demon King’s lackadaisical pet parenting responsible for his sudden disappearance, or does the arrival of a mysterious new enemy have something to do with it? Then once that’s dealt...Paperback$2099Unit price /UnavailableAvailableShips in 4-6 weeks -
Sleepy Princess in the Demon Castle, Vol. 19
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. When Teddy Demon gets into a kerfuffle with Eggplant Seal, the cuteness is un-bear-able. But then Teddy Demon gets lost and is rescued by… the hero Dawner’s inept rescue party?! Meanwhile, Quilladillo’s fitness regimen doesn’t come...Paperback$2099Unit price /UnavailableAvailableShips in 4-6 weeks -
Sleepy Princess in the Demon Castle, Vol. 26
Sleepy Princess in the Demon Castle, Vol. 26 by Kagiji Kumanomata 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. Twilight, Zeus, and the princess must face a truly harrowing challenge—attending Goodereste Royal Academy incognito! Things quickly go awry when they encounter a group of...Paperback$2099Unit price /UnavailableAvailableShips in 4-6 weeks -
Sleepy Princess in the Demon Castle, Vol. 3
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. Winter has come, and Princess Syalis will do anything to stay warm, including creating a DIY magical device (known as a “Ko-tatsu”), knitting woolen underwear, and trying to convince the castle blacksmith to make her a...Paperback$2099Unit price /UnavailableAvailableShips in 4-6 weeks -
Sleepy Princess in the Demon Castle, Vol. 16
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...Paperback$2099Unit price /UnavailableAvailableShips in 4-6 weeks -
Sleepy Princess in the Demon Castle, Vol. 24
Sleepy Princess in the Demon Castle, Vol. 24 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. Another milestone for the Demon Castle is (unintentionally) celebrated with surf, sand, and sun. Quilladillo discovers the hidden costs of fame, while Vampire discovers the incredible power of...Paperback$2099Unit price /UnavailableAvailableShips in 4-6 weeks -
Sleepy Princess in the Demon Castle, Vol. 4
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. Valentine’s Day arrives, and Princess Syalis is hard put to get the haul of chocolate she’s accustomed to receiving back home in her kingdom. Her latest plots to get a better night’s rest include learning to...Paperback$2099Unit price /UnavailableAvailableShips in 4-6 weeks -
Sleepy Princess in the Demon Castle, Vol. 5
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 comes to the surprising conclusion that being good will earn her a good night’s sleep! But none of the demons trust her sudden transformation. The princess’s latest dilemmas include a growing urge to use...Paperback$2099Unit price /UnavailableAvailableShips in 4-6 weeks
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