Coach Sasabe begins training the Iwatobi Swim Club for the upcoming tournament. Meanwhile, Rei is unhappy about the fact that he's the only one who doesn't know about what happened with Rin in the past.  After Rin expresses his frustration, Haruka decides to tell him about what happened when they were in grade school.
But if he ate something spoiled...
Aber wenn er etwas 
abgelaufenes gegessen hat...
Parlando di cose scadute...
Mas se ele tiver comido algo estragado...
Но если он что-то съел...