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...
If anything else happens, come back.
عودي متى شئتِ
Wenn wieder was ist, komm zu mir.
Vuelve cuando quieras si necesitas algo.
Vuelve cuando quieras si necesitas algo.
Si quelque chose ne va pas,
n’hésite pas à revenir me voir.
Sei sempre la benvenuta, quando hai bisogno.
Se acontecer alguma 
coisa, pode vir até aqui.