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.
But only on one condition.
Aber es gibt nur eine Bedingung.
Pero tengo una condición.
Pero con una condición.
Mais à une condition.
Ma ad una condizione.
Mas somente com uma condição.
Но с одним условием.