The property comes from the light novel series The Asterisk War: The Academy City of the Water (Gakusen Toshi Asterisk).
The two-cour anime series Asterisk War, based on the novels of the same name, is getting some new distribution as Funimation is now streaming them on their service.
The anime series is produced by A-1 Pictures.
The show is available bilingual form and was brought over by Aniplex USA as part of their new relationship.