After spending their first year of high school in peace and quiet, Haruka and Makoto run into Nagisa, a new student who was a member at a swimming club with them when they were kids.  That swimming club is being torn down, so the three of them sneak in to dig up a time capsule that they buried in the back, which is when they are reunited with Rin, the fourth member of their group who left to study abroad.
I won't be attending middle school here.
Ich werde hier nicht 
zur Mittelschule gehen.
Yo no iré a la secundaria de aquí.
No cursaré el instituto aquí.
Je ne vais pas aller 
au collège ici.
Io non frequenterò la scuola media qui.
Eu não vou fazer o ensino 
médio aqui.
Я пойду в среднюю школу, но не здесь.