ONA
Kouya no Kotobuki Hikoutai Gaiden: Oozora no Harukaze Hikoutai
Kouya no Kotobuki Hikoutai Gaiden: Oozora no Harukaze Hikoutai
6.3 Finished Airing 14m min Apr 10, 2019 to Feb 29, 2020
ActionAdventureMilitary
A short spin-off anime released on "Kouya no Kotobuki Hikoutai: Oozora no Takeoff Girls!" game app and YouTube.