Haruka Nanase's new stage for the world is Sydney, the dream place he once visited.

One day, after spending a brief rest before leaving, Haruka accidentally confronts a player who fought in the All Japan Selection Tournament and shows his fighting spirit.

Haruka takes a step forward to a new frontier with the feelings of his friends who have swam together. Absolute champion Alberto Volandel awaits there. Each player will be motivated for the Sydney tournament. What do they feel and what do they swim for while competing for the top of the world? Their fierce battle with water begins here!