Hoping for their first win at the summer prefectural tournament, the club holds a training camp during Golden Week. The team is getting along and there are good vibes all around, but all the while, something weighs on Ushimado's mind.

With one month left till the prefectural tournament, Minato directs the others on how they should train while starting a regimen of his own to work on getting his groove back. He and the team have a lot on their minds as the days dwindle down.

The Yamanami water polo club nervously faces the day of the prefectural tournament. Minato spearheads the team as they battle Rikka Gakuen in the first match, but their opponents have come up with a strategy to keep Yamanami from going on the attack.

It's finally time for their second match of prefecturals--the long-awaited showdown with Shogakukan. Minato, Eitaro, Jo, Amihama, Ejiri, Babayaro, and Ushimado join their seven hearts as one and challenge the best team in Japan.