Sayu's brother has tracked her down, and she realizes it's only a matter of time before she has to go home. She's forced to reflect; what did she learn since she ran away, and what will she take home with her?
So you need to think seriously about 
what you want to do now.
Darum mach dir besser ernsthaft Gedanken darüber,
was du hier und jetzt noch tun möchtest.
Así que debes pensar seriamente
qué es lo que quieres hacer.
Así que debes pensar en serio
qué es lo que quieres hacer.
C’est pour ça que tu dois réfléchir
à ce que tu veux faire maintenant.
Allora adesso devi pensare seriamente
a cosa vuoi fare davvero.
Então você tem que pensar
seriamente no que quer fazer agora.
Значит, тебе нужно серьёзно подумать
 о том, что ты хочешь сейчас сделать.