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.
How come Rin-chan's changed so much?
Warum hat Rin-chan sich so verändert?
Chissà perché Rin è cambiato così tanto?
Como foi que o Rin mudou tanto assim?
Отчего же Ринчик мог так измениться?