Now there's a mysterious Mask before James Blood, and the man behind it is one that shouldn't exist. What is the mystery surrounding this mask...? So begins an action-packed crime story set in a beautiful city!

Type: ONA
Episodes: 15
Status: Finished Airing
Aired: Dec 3, 2018
Producers: None found, add some
Licensors: None found, add some
Studios: Studio Pierrot
Source: Original
Genres: Action, Mystery, Police, Sci-Fi
Duration: Unknown
Rating: None

Director, Series Composition: Hiroyasu Aoki (Bakemono no Ko assistant director)
Character Design: Takahisa Katagiri (Psycho-Pass key animation)
Art Setting: Katsuya Yamada (Toaru Hikuushi e no Tsuioku key animation)
Art Director: Yuki Sonoda (Ichiban Ushiro no Daimaou background art), Takashi Nakamura (Kokoro ga Sakebitagatterunda.)
Costume Design: Isao (Tokyo Ghoul style concept)
Color Design: Shiori Furushou (Halo Legends)
Director of Photography: Toshikazu Hisano (Angolmois: Genkou Kassenki)
Screen Design: sankaku△ (Nihon Animator Mihonichi episode 3)
Editing: Keisuke Yanagi (Harukana Receive)
Sound Director: Souichirou Kubo (Garo: Honoo no Kokuin)
Sound Effects: Mutsuhiro Nishimura (Mobile Suit Gundam Thunderbolt)
Music: Hisaki Katou (Thermae Romae)
Studio: Studio Pierrot
Production: Hero Mask Production Committee

James Blood: Yasuyuki Kase (Subete ga F ni Naru: The Perfect Insider)
Sarah Sinclair: Yuuko Kaida (Mekakucity Actors)
Lennox Gallagher: Junpei Morita (Naruto: Shippuuden)
Edmond Chandler: Kentaro Takano
Harry Creighton: Kouki Uchiyama (Devilman: Crybaby)
Geffrey Connor: Yutaka Aoyama (Drifters)
Steven Martland: Takayuki Sugou (Jigoku Shoujo)
Richard Burner: Yutaka Nakano (Ghost in the Shell)
Monica Campbell: Haruka Shibuya (Lupin III: Chi no Kokuin - Eien no Mermaid)
Fred Faraday: Tomoyuki Shimura (Shingeki no Kyojin)
Grimm: Yuichi Karasuma (Uchuu Kyoudai)
Eve Palmer: Yukiyo Fujii (Amagi Brilliant Park)
Anna Winehouse: Tomoko Miyadera (Gakuen Babysitters)