Prefecturals are over and the Iwatobi Swim Club members are pleased by the progress they have made.  A local summer festival gives them an opportunity to relax.  When Nagisa finds out that Rin is also at the festival, he orders Rei to follow Rin and make sure that Haruka and Rin do not meet.
But in the process, I remembered
Aber währenddessen, erinnerte ich mich,
Pero mientras nadaba recordé...
Pero, cuando estaba nadando,
Mais en nageant, 
je me suis souvenu…
Ma mentre nuotavo ho ricordato
Mas durante a prova, eu lembrei
Но пока плыл, вспомнил,