The series was announced in November of 2017. It was later revealed to be a 3DCG anime co-produced by Production I.G and Sola Digital Arts. The series is set to be be co-directed by Kenji Kamiyama and Shinji Aramaki. Nobuko Toda and Kazuma Jinnouchi are composing the music. Oldcodex would perform the series' opening theme song "Sight Over the Battle." The series would be released on Netflix on April 1, 2019.
On December 15, 2019, it was revealed during Tsuburaya Convention 2019 that season one would air on the Japanese television networks, Tokyo MX and BS11, in April 2020, and would be given a new theme song.