WAVE!! -Let's go surfing!!-

Masaki is a middle school student in Oarai. When he takes his pet corgi for an early morning walk on the beach, he sees Sho surfing. He's so enthralled by the sight of Sho that when he's asked if he wants surf, he immediately agrees to start. That's the moment when surfing becomes his life.

Since the moment he took it up, Masaki's life has become all about surfing. Sleeping or waking, it's all he thinks about, and he goes out to the beach to ride the waves rain or shine. One day, with a typhoon approaching, Masaki ignores Sho's attempt to stop him and...

It's almost time for the curtain to rise on Masaki's first competition - the Forest Cup in Oarai. Many surfers the same age as Masaki will be in the competition, and they will prove to be worthy, life-long rivals. It's been a year since Masaki first met Sho. A year since he started surfing. In order to prove that this last year of training hasn't been in vain, Masaki is determined to do...

The final round of the Forest Cup in Oarai comes down to Sho and Tanaka. Each of them challenge the waves with everything they've got, showing amazing runs, but there can only be one winner, and the winner is... Masaki is proud of both of them, and at the same time, he decides to work even harder to aim even higher. He and the others make a promise - to aim for the world stage together as...

Masaki is spending his days in a quiet, detached way, going to school, taking class, then going home. Since that day, he hasn't ridden the waves even once. But no matter how much he wants to resent surfing, wants to hate it, wants to quit it...he can't rid himself of the love he has for it. One night, under a full moon, Masaki laments alone on the Oarai shore. Tanaka quietly approaches....

Masaki is living a regular high school life in Shonan while staying at the home of legendary board shaper Tadao. In the early mornings, he goes out to ride the waves with Kosuke and Yuta. Then, he goes to school. After classes, he goes back to the beach. Day after day, he lives a life of contentment, immersed in surfing. Amidst all of this, little things that Masaki does pile up, angering...

Yuta is the administrator for Shirasu Wave, an app that offers information on wave conditions. Many surfers are grateful to him for his daily updates on the weather, wind, and waves in Shichirigahama. Yuta begins acting strangely, not eating all of his favorite shirasu, skipping practice, staying home from school, and stopping service for Shirasu Wave. Is he planning to quit surfing? Worried,...

Naoya has come to Shonan to attend a fan meeting for the popular anime "Magical Maid Miruru." He comes across information that Miruru's broadcast may come to an end and becomes very depressed. Masaki's mom and Sakura, Masaki's younger sister, have come to Shonan to have some fun. Together with Masaki and the others, they take Naoya out sightseeing for a change of pace and to help him feel...

The Forest Cup in Tsurigasaki opens under perfect conditions. At the top of the list of favorites to win is Fuke. Kosuke, Yuta, Naoya, Bill, and all the other competitors head out to challenge the waves, aiming for the championship, determined to overthrow Fuke. Masaki displays the results of all the training he's been doing and receives tremendous applause from the spectators. Masaki has...

Bill suddenly takes Masaki and the others to Hawaii for some intensive training. While there, they reunite with Tanaka. Together, they enjoy some sight-seeing, marvel at the luxuriousness of Bill's vacation home, and the big waves at the North Shore set their eyes sparkling. When they happen to see that Fuke is at the North Shore too, Masaki and the others hope to learn from him, but Fuke tells...

Masaki and the others are in Hawaii learning from Sho's older brother, Hayamichi. Under Hayamichi's instruction, Masaki is working hard so that he can surf like Sho. When Hayamichi tells him that he'll never be Sho, Masaki is shaken, unable to understand the true meaning behind the words. In his shock, Masaki is dragged under a wave during practice and as his consciousness dims, he hears Sho's...

Masaki, Kosuke, Yuta, and Naoya are in Masaki's hometown, Oarai, holding their own training camp when Fuke suddenly appears. Fuke acknowledges Masaki and the others as his rivals and they all vow to fight bravely in the competition to determine the additional team members who will be sent to the international competition in four years. Before returning to Shonan, Masaki stops by Hayama, where...