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 hibernate, becoming a ghost and getting an annoying earworm out of her head. Now how can she put a stop to the Teddy Demons summoning her every time they get into a kerfluffle...? Then the princess gets kidnapped from her kidnappers!

Publisher Marketing: 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. Publisher Marketing : A captured princess just wants a good night's sleep! Shhh...

Format: Paperback | Pages: 176 | Publication Date: 2018-12-11