The Xi: unidentified flying objects that are vastly more powerful than humanity's best fighters. Kei Narutani is fleeing Shanghai on an evacuation ship when he's attacked by the Xi, but a mysterious red fighter jet saves him. One day in his new home in Komatsu, he sees the same jet. It's being carried to a nearby Japanese air-force base.
You're all I have left,
 and you want to join the army?
،أنت كلّ ما بقي لي
ومع ذلك تريد الانضمام للجيش؟
Und jetzt will der einzige,
den ich noch habe, zum Militär!
Eres todo lo que tengo,
¿y quieres unirte al ejército?
Eres todo lo que tengo,
¿y quieres unirte al ejército?
Le seul qu’il me reste
veut s’enrôler dans l’armée.
Tu sei l'unico che mi è rimasto
e vuoi unirti all'esercito?
Só me restou você, e agora você
quer entrar pro exército?
А ты — единственный —
собрался идти воевать!