After meeting Shou and becoming deeply immersed in surfing, Masaki overcomes his experiences in Oarai and advances to a high school in Shonan. Together with Kyomei Kousuke and Matsukaze Yuuta, whom he met through competitions, he spends his days devoted to surfing. Kido Naoya, who faced Masaki in Oarai, also joins them. While each carries their own adolescent worries, Masaki and the others continue to inspire one another. One day, Mori William Souichirou visits Masaki and his friends. He brings news of the upcoming "Forest Cup Tsurigasaki" following the event in Oarai...