After having made an unexpected discovery about himself before his amnesia, Minato has rediscovered some of his memories. What he finds leaves him horrified.
Tries to persuade Minato to rejoin the water polo club. Wanting no part of it, Minato is frustrated at being compared to his past self and his failure to become Shogakukan's ace.
Minato tries to make himself stronger so that he can compete against his old team. Meanwhile, he uses old videos to try to piece together the missing year of his life.
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.