Cover of Sleepy Princess in the Demon Castle

English releases on file: Jun 12, 2018 – Jun 11, 2024.

Sleepy Princess in the Demon Castle

24 volumes

Princess Syalis is trying to get a good night's sleep. Long ago in olden times when people and demons lived together in disharmony, a demon king kidnapped a human princess and imprisoned her in his castle. Bereft, the princess's subjects beat their chests in anguish until a hero arises to the rescue. While she waits for her knight in shining armor, the princess decides to wile away the long hours by sleeping, if it weren't for her pesky insomnia.

Volumes: 24 in the canonical sequence
English packaging: 24 books, 24 releases
Publishers: VIZ Media
Also known as: Maōjō de Oyasumi, 魔王城でおやすみ

Reading path

VIZ Media · 24 books in reading order

Cover of Sleepy Princess in the Demon Castle Vol 1

Jun 12, 2018Print

Cover of Sleepy Princess in the Demon Castle Vol 2

Aug 14, 2018Print

Cover of Sleepy Princess in the Demon Castle Vol 3

Oct 9, 2018Print

Cover of Sleepy Princess in the Demon Castle Vol 4

Dec 11, 2018Print

Cover of Sleepy Princess in the Demon Castle Vol 5

Feb 12, 2019Print

Cover of Sleepy Princess in the Demon Castle Vol 6

Apr 9, 2019Print

Cover of Sleepy Princess in the Demon Castle Vol 7

Jun 11, 2019Print

Cover of Sleepy Princess in the Demon Castle Vol 8

Aug 13, 2019Print

Cover of Sleepy Princess in the Demon Castle Vol 9

Oct 8, 2019Print

Cover of Sleepy Princess in the Demon Castle Vol 10

Dec 10, 2019Print

Cover of Sleepy Princess in the Demon Castle Vol 11

Apr 14, 2020Print

Cover of Sleepy Princess in the Demon Castle Vol 12

Jun 9, 2020Print

Cover of Sleepy Princess in the Demon Castle Vol 13

Oct 13, 2020Print

Cover of Sleepy Princess in the Demon Castle Vol 14

Apr 13, 2021Print

Cover of Sleepy Princess in the Demon Castle Vol 15

Aug 10, 2021Print

Cover of Sleepy Princess in the Demon Castle Vol 16

Dec 14, 2021Print

Cover of Sleepy Princess in the Demon Castle Vol 17

Apr 12, 2022Print

Cover of Sleepy Princess in the Demon Castle Vol 18

Jul 19, 2022Print

Cover of Sleepy Princess in the Demon Castle Vol 19

Nov 8, 2022Print

Cover of Sleepy Princess in the Demon Castle Vol 20

Apr 11, 2023Print

Cover of Sleepy Princess in the Demon Castle Vol 21

Aug 8, 2023Print

Cover of Sleepy Princess in the Demon Castle Vol 22

Nov 14, 2023Print

Cover of Sleepy Princess in the Demon Castle Vol 23

Feb 13, 2024Print

Cover of Sleepy Princess in the Demon Castle Vol 24

Jun 11, 2024Print

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