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.
Second-years are in 
charge of the chlorine!
Elftklässler sind 
für das Chlor verantwortlich!
¡Los de segundo año están a cargo del cloro!
¡Los de segundo, a por el cloro!
Les deuxième année 
s’occuperont du chlore !
Quelli del secondo anno 
sono responsabili del cloro!
Alunos do segundo ano 
cuidarão do cloro!
Второгодки ответственны за хлорку!