With the department store event coming up, Yaya seems somehow depressed. It seems to have something to do with her band's audition. Yaya is reluctant to talk about it, and when Naru and the gang try to help her out, she accidentally explodes at them.
We won't know unless we try.
لن نعلم إن لم نجرّب
Wir haben so was nicht nie gemacht.
Aber irgendwo müssen wir ja anfangen.
No lo sabremos hasta intentarlo.
Si no hacemos algo no conseguiremos nada.
No lo sabremos hasta intentarlo.Si no 
hacemos algo, no conseguiremos nada.
Et puis, qui ne tente rien
n’a rien…
Não vamos saber a não ser que tentemos.