As Hibiki is spending more and more time fighting the Noise, it means less time for her studies and less time for her friends.  Miku is feeling alone and isolated, but she makes a promise with Hibiki to go get some snacks after school.  But when school ends, Hibiki gets another call...
And we're upgrading security 
at headquarters now, too.
وها نحنُ نشدِّدُ الأمنَ في المقرّ أيضاً
Und wir verstärken nun
die Sicherheit im Hauptquartier.
Y ahora también mejoramos la seguridad.
Y ahora también mejoramos la seguridad.
Et donc, les défenses du QG
vont être renforcées.
E così abbiamo avuto l'occasione
per migliorare i nostri sistemi di sicurezza.
E agora nós estamos tendo melhorias
 no sistema de defesa da base.