The official website for the television anime adaptation of Ryou Ariyama's Romelia Senki: Maou wo Taoshita Ato mo Jinrui Yabasou dakara Guntai Soshiki shita (A History of the Romelia) light novel was revealed the main cast and production staff on Friday. The anime series is set to premiere in 2026.

Cast
Romelia von Graham: Yuuna Nemoto (Futari Solo Camp)
Al: Jin Ogasawara (Dark Moon: Tsuki no Saidan)
Ray: Tomohiro Ono (Sentai Red Isekai de Boukensha ni Naru)

Staff
Director: Hiroshi Shirai (Dragon Ball Super: Super Hero episode director)
Assistant Director: Takahiro Hirata (Mushoku Tensei II: Isekai Ittara Honki Dasu episode director)
Series Composition, Script: Aya Satsuki (Kawaisugi Crisis)
Character Design: Yoshiko Saitou (Towa no Yuugure), Yuuta Ootaka (Re:Zero kara Hajimeru Isekai Seikatsu 3rd Season animation director)
Art Director: Masakazu Miyake (Kono Subarashii Sekai ni Shukufuku wo!)
Color Design: Yuu Kadomatsu (Chainsaw Man Movie) (Stella)
Director of Photography: Megumi Himeno (Kimi wa Houkago Insomnia) (Graphinica)
Photography: Graphinica
Editing: Misato Takikawa (Maou Gakuin no Futekigousha II) (REAL-T)
Sound Director: Daiki Yamaki (#Compass 2.0: Sentou Setsuri Kaiseki System) (Klang Klang)
Sound Effects: Daiki Ogawa (Haite Kudasai, Takamine-san) (Sound Box)
Sound Production: Bit grooove promotion
Music: KOHTA YAMAMOTO (Dark Gathering)
Music Production: Pony Canyon
Studio: Atra

Ariyama originally began penning the action fantasy novel on the Shousetsuka ni Narou website in August 2019. Shogakukan began printing the title under its Gagaga Books label in June 2020, featuring illustrations by Kodama. The sixth volume shipped in November 2025.

Ryou Kamito began drawing a manga adaptation on the Manga Doa app in April 2021. Mag Garden released the fifth volume in November 2025.

Seven Seas Entertainment licensed the manga in English in March 2025. The first volume was published on January 13, with the second volume scheduled for release on April 27.

Source: Comic Natalie