Haruki hears about Kazusa's moving from her mother, who she hadn't been on good terms with.  He feels betrayed and angrily confronts her.  But his words force open the door to Kazusa's heart, which she had desperately tried to keep closed so that the three of them could stay together.
I just did what you said, 
and put down whatever.
Ich hab nur getan, was du wolltest 
und irgendwas angekreuzt.
Solo puse cualquier cosa, como dijiste.
He puesto cosas al tuntún.
J’ai fait comme tu as dit, 
j’ai répondu au pif.
Fiz o que você pediu e 
coloquei qualquer coisa.