Eisaku Kawanami

Sosuke Yamazaki, Rin's childhood friend, transfers into Rin's school with one goal in mind, to swim once more against his friend, even though he suffers from a horrible injury.

The new stage to Haruka Nanse is Sydney, before leaving Japan, Haruka accidentally confronts his rival who fought in a tournament. World-class swimmers gather in the Sydney tournament, their fierce battle with water is going to be...