It is directed and written by Jun'ichi Wada, with character designs by Yūji Iwahara, and music by Tatsuya Kato.

It is an adaptation of the novel Sakugan Labyrinth Marker, written by Nekotarō Inui, which was submitted to Project ANIMA [ja], a 2018 collaboration between DeNA, Sotsu, and Bunka Housou that accepted story submissions from the general public for adaption into anime.

[12] The series aired from October 7 to December 23, 2021, on Tokyo MX, MBS, and BS11.

[13][14] The opening theme song, "Kо̄kotsu Labyrinth" ("Enchanted Labyrinth"), was performed by Masaaki Endoh, while the ending theme song, "Shine", was performed by MindaRyn.

[17] On October 28, 2021, Crunchyroll announced the series will receive an English dub, which premiered on November 18.