At last, Haruki sleeps with Kazusa.  Her wish finally comes true, and she prepares to leave for Europe. Haruki takes Setsuna to the airport, hoping that they can all be together once again.  When the three are reunited, everyone remembers the best moment of their lives: the last song they sang at the school concert.  The title of the song was...
I thought you might've collapsed, 
like you did earlier.
Ich dachte, du könntest wie neulich
 zusammengebrochen sein.
Pensé que quizás te habrías 
desmayado como aquella vez.
Pensaba que quizás te habrías 
desmayado como aquella vez.
J’ai cru que tu étais tombé malade 
comme la dernière fois.
Achei que você pudesse ter desmaiado
 de doente, como antes.