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 see. So that's why.
Ah, deswegen also.
Ya veo. Conque era por eso.
Ya veo. Así que era por eso.
D’accord, je vois.
Ah, è per questo. Capisco.
Entendi. Então é por isso...
Понятно. Вот оно что.