Pop rock band nano.RIPE (Hataraku Maou-sama!) performs the opening theme “Hikari no Nai Machi” and Liyuu (Fuufu Ijou, Koibito Miman.) is performing the ending theme “bloomin.” Both songs are previewed in the promotional video below.
Daisuke Tsukushi (Isekai Cheat Magician) returns to helm the new season at Studio 3Hz. Masahiro Yokotani (Hataraku Maou-sama!) is handling the series composition and Yuuta Iino (22/7 animation director) is designing the characters. Ryousuke Nakanishi (High School DxD) is composing the music.
The anime adapts Satoshi Wagahara‘s fantasy light novel, which originally began as a novel submission under the title Maoujou wa Rokujou Hitoma! (The Devil’s Castle within a Six-tatami Room!) for the 17th Dengeki Taisho awards in November 2010 and won the Silver Prize along with Antiliteral no Arcanist. Dengeki Bunko began publishing the novel featuring illustrations by 029 (Kuma Kuma Kuma Bear) the following February and shipped the 21st and final volume on August 2020.
Yen Press licensed both the light novel and manga adaptation in English in August 2014. The 21st light novel volume went on sale in April last year. The 19th manga volume was released on November 22, with the 20th volume scheduled to be released on September 19.
Source: Comic Natalie