The Iwatobi Swim Club has a full roster now.
As they begin to practice, they run into a little trouble.
After a certain member claims that his swimsuit is to blame, the club makes a trip to buy new swimsuits.
I finally know the reason
Ich kenne endlich den Grund,
¡Finalmente descubrí
Ya lo he entendido.
J’ai enfin trouvé 
ce qui m’empêche de nager !
Alla fine ho capito
Eu finalmente descobri o motivo
Я наконец понял,