Rin, now living in Australia, trains hard every day with swimmers from all around the world. Then a Japanese guy shows up where his team is training, challenging each of his teammates to races and beating them one by one. Even Rin is surprised when this newcomer reveals his identity...
Looking ahead to this summer's tournament,
،بالتفكير في بطولة الصيف المقبل 
Bezüglich der Aufstellung für
das Sommerturnier
En camino al torneo de este verano,
Para el torneo de este verano,
Nanase.
Nanase-kun?
Nanase-kun.
Впереди летний турнир,