Sleepy Princess in the Demon Castle is a Japanese manga series written and illustrated by Kagiji Kumanomata. It has been serialized in Shogakukan’s Weekly Shōnen Sunday magazine since May 2016, with its chapters collected in seventeen tankōbon volumes as of December 2020. An anime television series adaptation by Doga Kobo aired from October to December 2020.
An anime television series adaptation was announced in the 42nd issue of Weekly Shōnen Sunday on September 18, 2019. The series was animated by Doga Kobo and directed by Mitsue Yamazaki, with Yoshiko Nakamura handling series composition and Ai Kikuchi designing the characters. Yukari Hashimoto composed the series’ music. The series ran for 12 episodes from October 6 to December 22, 2020 on TV Tokyo, AT-X, and BS TV Tokyo. In Southeast Asia, the anime is licensed by Muse Communication. Inori Minase performed the opening theme “Kaimin! Anmin! Syalist Seikatsu”, while ORESAMA performed the ending theme “Gimmme!”. Funimation acquired the series and streamed it on its website in North America and the British Isles.
is a princess who was kidnapped by the demon king and causes chaos in the demon castle while trying to get a good night’s sleep.
Twilight the Demon King
kidnapped Syalis in her sleep, so he has hardly ever seen her awake and has never had a proper conversation with her. He is always thinking of ways to make the hero get to him and gets worried if he is going to lose, he even puts weapons and tools to make the hero’s quest easier. Apart from that he is a good leader for the demons of the castle, but even he can’t go against Princess Syalis, and is shown to care for her to a certain point.
might seem like a gentle young man, but he is actually the demon in charge of the Demon Temple inside the Demon Castle. The Demon Cleric is usually the one called upon to use magic to resurrect anyone who happens to die in the Demon Castle.