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...
so I'm not sure how well we can do it...
also weiß ich nicht, 
wie gut wir es hinkriegen werden.
así que no sé si podamos hacerlo.
así que no sé si nos saldrá bien.
donc je ne sais pas 
si on arrivera à bien le jouer.
então não sei se vamos conseguir.