Director: Yuuta Murano (Dream Festival!)
Series Composition: Kazuyuki Fudeyasu (Shoujo Shuumatsu Ryokou)
Character Design: Shizue Kaneko (Kanojo ga Flag wo Oraretara)
Chief Animation Director: Yuuki Nishioka (Shuumatsu no Izetta)
Monster Design, Action Animation Director: Yuki Miyamoto (Scrapped Princess key animation)
Color Design: Natsuko Ootsuka (Fukumenkei Noise)
Background Art: Kusanagi (Accel World: Infinite Burst)
Photography: Asahi Production Shiroishi Studio
Director of Photography: Teppei Satou (Atom: The Beginning)
Sound Production: Half H.P Studio
Sound Director: Satoshi Motoyama (Shuumatsu Nani Shitemasu ka? Isogashii desu ka? Sukutte Moratte Ii desu ka?)
Published by Kodansha since December 2014, the novel series has over a million copies of its volumes in print as of this January. A manga adaptation drawn by Naoto Fukuda began its serialization in Niconico Seiga's Suiyoubi no Sirius web magazine in June 2015. The ninth light novel volume and the sixth manga volume went on sale on February 2.
J-Novel Club licensed the novel series in English and released the second volume digitally on February 19. Seven Seas Entertainment licensed the manga adaptation for North American distribution, and plans to publish the first volume in June 2018.