On the official site for the anime adaptation of the manga written and illustrated by Kagiji Kumanomata, Oyasumi's Maoujou A new promotional image for the project was published, as well as two new cast members.
New cast members include:
Hiro Shimono as Hero Akatsuki, who is on a mission to rescue Princess Syalis.
Rikiya Koyama like Majiro, a porcupine.
Kumanomata began publishing the manga in the magazine Weekly Shonen Sunday from the publisher Shogakukan in May 2016. The publisher published the fourteenth compilation volume on April 16.
Cast of voices
Inori Minase like Princess Syalis.
Yoshitsugu Matsuoka like the Demon Lord Tasogare.
Kaito Ishikawa like the Demon Cleric.
- Mitsue Yamazaki (Dumbbell Nan-Kilo Moteru?, Tada-kun wa Koi wo Shinai) is in charge of directing the anime in the studios Doga Kobo.
- 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.
Synopsis of Oyasumi's Maoujou
Shhh! Princess Syalis is trying to sleep well at night. A long time ago when people and demons coexisted, not in complete harmony of course, a demon king kidnapped a human princess and locked her in her castle. Stripped, the princess' subjects continually thought of a solution… until the hero arises to spearhead the princess's rescue mission!
While waiting for her knight in shining armor, what should an imprisoned princess do? Bat-winged teddy bears aren't bad, but their cell is very boring! Then, she will decide to spend the long hours sleeping, if only she could get comfortable ... if only she did not suffer from insomnia ...
© 熊 之 股 鍵 次 ・ 小学 館 ／ 魔王 睡眠 促進 委員会 （仮）