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?
I think a girl your age 
may not be able to understand this.
Quizás esto no tenga sentido
para una adolescente, pero…
Quizás esto no tenga sentido
para una adolescente, pero…
Je suis pas sûre que ce soit
quelque chose qui parle à une lycéenne,
Forse una ragazza della tua età non è in grado di capirlo,
Talvez uma garota da
sua idade não entenda,
Думаю, девушке твоего
возраста этого пока не понять.