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.
We've never even let a reporter in.
Wir haben noch nicht mal 
einen Reporter reingelassen.
Ni siquiera hemos dejado 
entrar a un reportero.
Ni siquiera dejamos entrar a los periodistas.
On n’a même jamais fait entrer 
un journaliste chez nous.
Nunca deixamos nem um repórter entrar.