After being mobilized, the Cygnus and the Coupling Valiancers are no longer a secret. In order to defend their existence against outraged politicians, a film crew arrive to make a promotional video to rally popular support.
Aoba faces the consequences of his rash actions during combat when he saw Hina. And later, the Cygnus lands at Narashino and Aoba gets a chance to explore his hometown to see what has become of it in the last 70 years.
Aoba Watase is a normal first-year high-school student coming back to school after summer break when a mysterious robot comes after him. He has never seen it before, but its pilot seems to know him and wants him dead.