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.
We need one more member.
Wir brauchen noch ein Mitglied.
Un miembro más.
Así que otro miembro...
Une personne de plus, hein ?
Ancora uno.
Nós precisamos de mais um membro.
Нужен ещё один...