Hisone Amakasu enlists in the Air Self-Defense Force, where an encounter with a dragon concealed inside a hangar alters her career path forever.

Joined by pilots and their dragons from other military bases, Hisone participates in a joint training exercise held at the Gifu Air Base.

As Iiboshi reveals the true mission behind the dragon pilot program, a former pilot from long ago appears before the Gifu Air Base flight crew.

A ceremony is held to select which shrine maiden will lead the ritual. Zaito is ordered to make a difficult decision for the sake of El's career.