The Iwatobi Swim Club needs one more member before it can participate in relays.  Nagisa has set his sights on his classmate Rei, who is a member of the track team.  Despite Rei's refusal to join, but Nagisa appears intent on recruiting Rei into the swim club.
This is the real reason 
we started a swim club.
Das ist der wahre Grund, weswegen wir den Schwimmclub gegründet haben.
Este es el verdadero motivo por el 
que creamos el club de natación.
Para esto creamos el club de natación.
« C’est la raison pour laquelle 
nous avons créé ce club. »
Ecco, questo è il vero obbiettivo 
dell'aver creato un club di nuoto.
É por causa disso aqui que resolvemos 
abrir o clube de natação.
Вот реальная причина для открытия клуба.