Sleepy Princess in the Demon Castle

Manga · 2016

Comedy, Fantasy, Adventure

Sleepy Princess in the Demon Castle is a Japanese manga series written and illustrated by Kagiji Kumanomata. It has been serialized in Shogakukan's shōnen manga magazine Weekly Shōnen Sunday magazine since May 2016, with its chapters collected in 32 tankōbon volumes as of May 2026. An anime television series adaptation produced by Doga Kobo aired from October to December 2020.