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.
that national recital at the 
start of her first year?
als sie den nationalen Wettbewerb
 im ersten Jahr gewann?
el recital nacional empezando el año pasado?
cuando ganó el recital nacional 
a principios de su primer año?
Tout le monde était si enthousiaste.
o concurso nacional no 
começo do 1º ano dela?