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.
Rin was really fired up.
Rin war voll dabei.
Rin estaba muy entusiasmado.
Rin estaba que se 
subía por las paredes.
Rin était vraiment gonflé à bloc.
Rin dava sempre il massimo.
O Rin estava bastante entusiasmado.
Рин тогда так завёлся.