Makoto and Nagisa watch with their breaths held as Haruka and Rin engage in an intense race.  However, they notice that Rin appears to be have changed. At the same time, Nagisa prepares to start up a swim club with help from Rin's sister Gou.
Let's have fun swimming together!
Lasst uns zusammen 
beim Schwimmen Spaß haben!
¡Disfrutemos nadando juntos!
¡Vamos a pasárnoslo 
bien nadando un poco!
Allons nager ensemble !
Divertiamoci nuotando insieme!
Venham se divertir nadando conosco!
Давайте вместе будем
наслаждаться плаванием!