A cast announcement has been made for the forthcoming anime based on a French comic titled, Radiant:
- Yumiri Hanamori is Seth
- Aoi Yūki is Mélie
- Shintarou Oohata is Doc
- Romi Park is Alma
Seiji Kishi is directing the anime at Lerche, while Daisei Fukuoka is credited as series director. Makoto Uezu is in charge of the series scripts. Nozomi Kawano is designing the characters, and Masato Kōda is composing the music.
Radiant is scheduled to premiere on Japanese television in October 2018.