Sleepy Princess in the Demon Castle, Vol. 29

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 Plenary Demon Conference is finally here With all the Demon World's movers and shakers gathered in one spot, surely there is no way whatsoever that Princess Syalis will find a way to make a mess of things--and definitely not by becoming a giant, nightmare-infused monster bearing the dark secret behind the origin of the ongoing war between the humans and demons Also, some good ol' fashioned dungeon crawling

• Format: Paperback
• Language: English
• ISBN: 1974761614
• ISBN13: 9781974761616
• Release Date: March 2026
• Publisher: Viz Media
• Length: 168 Pages