The series adaptation was announced in a livestream commemorating the first anniversary of Kadokawa's "Kimirano" light novel website on March 15, 2020.
[1] It is produced by A-1 Pictures and directed by Toshimasa Ishii, with Toshiya Ōno writing the scripts, Tetsuya Kawakami designing the characters, and Hiroyuki Sawano and Kohta Yamamoto composing the music.
[2] The series is a split-cour anime, with the first half airing on Tokyo MX and other stations from April 11 to June 20, 2021.
[3][4][a] On March 28, 2021, Tokyo MX broadcast a special program commemorating the start of the series starring main cast Shōya Chiba and Ikumi Hasegawa, producer Nobuhiro Nakayama and music composer Hiroyuki Sawano.
[10][11] Muse Communication licensed the series in Southeast Asia and is streaming it on iQIYI and Bilibili.