The summer 2017 anime series Altair: A Record of Battles was based original work comes from Kotono Kato and began in Monthly Shonen Sirius back in 2007 with over eighteen volumes out as of the adaptation itself.
The property was approaching this climax point since the official feed revealed that back in the summer of 2020.
The TV anime adaptation has Kazuhiro Furuhashi directing based on the series composition by Noboru Takagi.