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Kagiji Kumanomata

Sleepy Princess in the Demon Castle, Vol. 16

Sleepy Princess in the Demon Castle, Vol. 16

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  • Condition: Brand new
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  • More about Sleepy Princess in the Demon Castle, Vol. 16


Princess Syalis is bored and wants a good night's sleep, but she is kidnapped by the Demon King and imprisoned in his castle. Demon King Twilights childhood friend Agave sneaks into the castle, Hades tries to reconcile with his little brother Zeus, Alazif the grimoire gets a form of hay fever, and Syalis goes fishing with the Demon King and Poseidon.

Format: Paperback / softback
Length: 176 pages
Publication date: 17 February 2022
Publisher: Viz Media, Subs. of Shogakukan Inc


Kidnapped by the Demon King and imprisoned in his castle,Princess Syalis is…bored. Demon King Twilights 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 that has unfortunate magical symptoms. Then,if stepping on a butterfly in a primeval forest can drastically change the future,what would be the impact of a princess stealing an ancient duvet ten years ago? Plus,Syalis goes fishing with the Demon King and Poseidon,god of the sea. What could possibly go right?

Princess Syalis, the captured princess, desires nothing more than a peaceful night's sleep. However, her fate is intertwined with the misadventures of the Demon King, who has imprisoned her in his castle. Despite her boredom, Princess Syalis finds herself caught in a web of intrigue and drama.


Demon King Twilights childhood friend, Agave, enters the castle covertly, driven by a desire to reunite with his old friend. However, his plans are disrupted by the persistent presence of Princess Syalis, who unintentionally gets in the way of his mission.


As if the situation couldn't become more complicated, Hades, the god of the underworld, attempts to reconcile with his brother, Zeus, the ruler of the gods. However, Princess Syalis inadvertently becomes embroiled in their delicate relationship, causing further complications.


Meanwhile, Alazif, the grimoire, experiences an unusual phenomenon: a form of hay fever that manifests with magical consequences. As if this wasn't enough, the fate of the world hangs in the balance when Princess Syalis steals an ancient duvet ten years ago. The consequences of her actions are yet to be fully realized, and the mysterious duvet holds the key to unlocking a future filled with uncertainty.


To add to the mix, Princess Syalis embarks on an unexpected adventure with the Demon King and Poseidon, the god of the sea. As they set out on a fishing trip, tensions rise and hilarity ensues. The princess must navigate through a series of unexpected challenges and obstacles, all while trying to maintain her composure and avoid further entanglements.


The story of Princess Syalis is a captivating blend of adventure, romance, and magic. With each turn of the page, readers are taken on a rollercoaster ride of emotions, as the princess navigates through a world of danger and intrigue. The characters are well-developed, and the plot is filled with unexpected twists and turns that keep the reader engaged until the very end.


In conclusion, "A Captured Princess Just Wants a Good Night's Sleep!" is a must-read for anyone who loves adventure, romance, and magic. The story is filled with memorable characters, intriguing plotlines, and a magical world that will leave readers eagerly anticipating the next installment. So, grab a copy and prepare to be transported to a realm of enchantment and adventure.

Weight: 166g
Dimension: 127 x 192 x 16 (mm)
ISBN-13: 9781974724093

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