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.
The fluid mechanics of human 
physiology show that...
Die Fluidmechanik des menschlichen Körpers zeigt deutlich dass...
Originalmente el cuerpo humano 
en la mecánica de los fluidos—
En la mecánica de los fluidos, 
el cuerpo del ser humano-
Selon la mécanique des fluides, 
le corps humain…
Per i principi dell'idrodinamica, gli esseri um—
O funcionamento dos fluídos do 
corpo humano mostra que...
Механика жидкости и физиология
человека демонстрируют...