The Iwatobi High School Swim Club is participating in a joint training camp with the Samezuka Academy and Soufuukan High School teams. Sousuke is also participating as an alumnus. In the midst of the excitement, Rei and Nagisa notice that something is odd about Romio's swimming. Then Shizuru tells them the story of what happened to Romio in middle school...
Let's all work hard together!
!لنعمل بجدّ جميعاً معاً
Strengen wir uns alle an!
¡Vamos a esforzarnos!
¡Vamos a esforzarnos!
Profitons-en et travaillons bien !
Sarà un piacere stare con voi!
Vamos nos esforçar bastante!
Давайте вместе потрудимся!