On the official site for the anime adaptation of the manga written and illustrated by Kagiji Kumanomata, Oyasumi's Maoujou, it was announced that voice actress Saori Hayami will join the voice cast as Queen Kaymin, the loving mother of Princess Syalis. .
The series premiered on October 5 in Japan and is confirmed with a total of twelve episodes. For his part, Kumanomata began publishing the manga in Shogakukan's Weekly Shonen Sunday magazine in May 2016.
- Mitsue Yamazaki (Dumbbell Nan-Kilo Moteru ?, Tada-kun wa Koi wo Shinai) is directing the anime at Doga Kobo Studios, with the assistance of Sumie Noro.
- Yoshiko Nakamura (Kabukibu !, Hiiro no Kakera - The Tamayomi Princess Saga) is in charge of writing and supervising the scripts.
- Ai Kikuchi (New Game !, Dumbbell Nan-Kilo Moteru?) Is in charge of character design, with Chiaki Nakajima as sub-character designer.
- Yukari Hashimoto (3-gatsu no Lion, Osomatsu-san) is in charge of composing the soundtrack.
Oyasumi's Maoujou Synopsis
Shhh! Princess Syalis is trying to get a good night's sleep. A long time ago, when people and demons coexisted, not in total harmony of course, a demon king kidnapped a human princess and locked her in her castle. Stripped away, the princess's subjects thought incessantly of a solution… until the hero emerges to lead the princess's rescue mission! While waiting for her knight in shining armor, what should an imprisoned princess do? The bat-winged teddy bears aren't bad, but her cell is so boring! Then, she will decide to spend the long hours sleeping, if only she could make herself comfortable ... if only she did not suffer from insomnia ...
Source: Mantan Web
© 熊 之 股 鍵 次 ・ 小学 館 ／ 魔王 睡眠 促進 委員会 （仮）