With the ending, Yuka Iguchi (Aoi), Kana Asumi (Hinata) handled that one in character with “Irochigai no Tsubasa” as the title.
Yuka Iguchi (Aoi), Kana Asumi (Hinata), Yōko Hikasa (Kaede), and Yui Ogura (Kokona) performed the opening theme “Chiheisen Stride” (Horizon Stride) in character.
The thirteen episode series is being released as a three-disc set on Blu-ray only that began on September 28th, 2018.
The original manga from Siro began back in 2011 in Comic Earth Star and has thirteen volumes released so far.