The anime will air on Tokyo MX on April 7 at 24:00 (effectively April 8 at 12:00 a.m.), before airing later on MBS, BS11, and AT-X. Ryōsuke Fuji (Attack on Titan: Lost Girls) will launch a manga adaptation in the May issue of Kodansha's Bessatsu Shōnen Magazine on April 9.
The cast includes:
Tomoaki Maeno as Free Underbar, the acting leader of the first unit of Dorothea
Ayaka Fukuhara as Veronica Thorn, one of only two survivors (with Mariya) of a torched town during the war
Yoshimasa Hosoya as Wolfran Row, a Fairy Soldier who fought alongside Free during the war
Yoshiki Nakajima as Serge Tovah, a member of the first unit of the illegal fairy enforcement organization Dorothea
Mie Sonozaki as Nein Auraa, the head of the illegal fairy enforcement organization Dorothea
Takehito Koyasu as Damian Carme, a civilian fairy researcher
Houchu Ohtsuka as Marco Bellwood (not pictured)
Eizou Tsuda as Ray Dawn, the Duke of Karuō who was one of the seven knights during the war. As one of the five dukes, he was granted territory by the emperor after the war.
Atsumi Tanezaki as Lily Heineman (not pictured)
Kōji Okino as Robert Chase (not pictured)
Mikako Komatsu as Eleanor Need (not pictured)
Yasuhiro Mamiya as Oz Maher, the head of the first unit of the illegal fairy enforcement organization Dorothea
Kenjiro Tsuda as Griff Mercer (not pictured)
Mugihito as Cain Distaroru (not pictured)
Shinji Kawada as Axel Rabū (not pictured)
Minako Kotobuki as "Sweety" Bitter Sweet (not pictured)
Yuka Iguchi as Patricia Pearl (not pictured)
Kazuyuki Okitsu as Jonathan Passepierre (not pictured)
Hisao Egawa as Biivii Risukaa (not pictured)
Shizuka Itou as Sophie (not pictured)
Takaya Hashi as Schwartz Diese (not pictured)
Hiroki Touchi as Jet Glaive, a war hero and a Fairy Soldier as one of the Seven Knights. He has the nickname "Lightning Flash."
Kenji Nomura as Ewan Breeze (not pictured)
The anime is set in a world where fairies possess and reside within animals, granting them special powers. By surgically removing and transplanting the organs of a possessed animal into a human, humans can partially summon the fairy and use it as a weapon. Eventually, such individuals were used for war, and were called "Fairy Soldiers." After a long war, these soldiers lost their purpose, and had to reintegrate into society. From the government, to the mafia, and even becoming terrorists, each tread their own path.
The story begins nine years after the end of the war, and centers on the protagonist Marlya. Marlya is a fresh recruit of "Dorothea," an organization dedicated to the investigation and suppression of fairy-related crimes and incidents. Even in peacetime, the government is still unstable after the war. Many criminals still have lingering wounds from the previous conflict, and there are terrorist groups bent on revenge. This is the story of Fairy Soldiers seeking their own justice in a chaotic postwar world.
Kenichi Suzuki (Cells at Work!, JoJo's Bizarre Adventure: Stardust Crusaders, Drifters) is directing the anime, with Grimgar of Fantasy and Ash light novel author Ao Jūmonji writing and overseeing the scripts. Haruhisa Nakata drew the original designs for the characters and fairies, while Takako Shimizu (JoJo's Bizarre Adventure, Sōsei no Aquarion Love) designed the characters for animation.
Junichi Higashi is directing the art of the anime, and Naomi Nakano is serving as the color key artist. Tsunetaka Ema is the director of photography, and Kōtarō Shishido and Motonari Ichikawa are directing the 3D CG. Kiyoshi Hirose is editing, and Jin Aketagawa is directing the sound with sound effects by Tsutomu Ueno. [K]NoW_NAME (Grimgar of Fantasy and Ash, Sakura Quest) is credited for music production, and is performing the opening theme song "KNOCK on the CORE" and ending theme song "Ash-like Snow." "Five fairy scholars" is credited for the original work.