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.
Speaking of which,
Übrigens
Por cierto, al parecer el club 
de natación al cual ustedes
Por cierto, ya han demolido
Au fait,
A proposito,
Falando nisso,
Кстати,