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...
I enter races while traveling 
around the world.
أشارك في السّباقات أثناء السّفر حول العالم
Ich nehme an Wettkämpfen teil,
während ich durch die Welt reise.
Entro en carreras
mientras viajo por el mundo.
Participo en carreras
mientras viajo por el mundo.
Je visite le monde entier
et je participe par-ci, par-là.
Viaggio per il mondo e partecipo a gare di nuoto.
Participo de corridas
enquanto viajo pelo mundo.
Участвую в заплывах,
путешествуя по миру.