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.
The swimming club we went to in grade 
school is gonna be torn down soon.
Der Schwimmverein, zu dem wir in der 
Grundschule gingen, wird bald abgerissen.
Pronto van a clausurar el club de natación de la escuela a la que
Por lo visto piensan tirar abajo el club de 
natación de vuestro antiguo colegio.
Le club de natation 
où on allait en primaire
Il club di nuoto che frequentavamo 
alle elementari verrà demolito a breve.
Eles estão desmontando a piscina que
frequentávamos no ensino fundamental.
Клуб по плаванию, в который
мы ходили в младшей, скоро снесут.