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.
Okay! Go to it, Detective Rei-chan!
Okay! Leg los, Detektiv Rei-chan!
¡Vamos! ¡Ve, detective Rei-chan!
¡Vamos! ¡Muévete, detective Rei-chan!
Bien ! Fonce, détective Rei !
Ok! Ora vai, detective Rei-chan!
Certo! Ao trabalho, Detetive Rei!
Итак! Вперёд, детектив Рэйчик!