荒野のコトブキ飛行隊 外伝 大空のハルカゼ飛行隊
Kouya no Kotobuki Hikoutai Gaiden: Oozora no Harukaze Hikoutai
ONA PG-13 HD Sub 12 12 eps
A short spin-off anime released on "Kouya no Kotobuki Hikoutai: Oozora no Takeoff Girls!" game app and YouTube.
荒野のコトブキ飛行隊 外伝 大空のハルカゼ飛行隊
A short spin-off anime released on "Kouya no Kotobuki Hikoutai: Oozora no Takeoff Girls!" game app and YouTube.