WAVE!! Surfing Yappe!!

Set in the city of Ooarai in Ibaraki prefecture, and centers on Masaki Hinaoka, who befriends transfer student Shou Akitsuki before the summer break, and ends up getting hooked on surfing. Through the sport, Masaki will get to know new friends, and will also drift apart from them in his journey to adulthood.

Upon entering university, Hinako moves to a coastal town. She loves surfing, and when she's on the waves she's fearless, but still feels uncertain about her future. When a fire wreaks havoc in the town, Hinako encounters young firefighter Minato. As they surf and spend more time together, Hinako feels drawn to someone like Minato who devotes himself to helping other people. Hinako also holds a special place in Minato's heart.

Yuna Ichihara's spring break is far from pleasant, especially after she sends off her best friend Sacchan, who is moving away. But while heading home, the timid girl brightens up when she encounters a boy who looks exactly like her first love—a prince from a shoujo manga. Subsequently, she finds herself in a peculiar situation with the mature Akari Yamamoto, a new neighbor who immediately befriends her. Now attending the same high school together, Yuna shows interest in Akari's brother Rio—the same mysterious and handsome boy she met during spring break. Likewise, Akari is falling for Yuna's carefree childhood friend, Kazuomi Inui. However, love is not at anyone's fingertips, as the relationship between these four contrasting friends faces complications, preventing them from moving forward. To discover the truth between them, they will need to confront their own struggles and uncover secrets hidden among themselves.

A high-school girl, Etsuko, just spends her days without any aims or purpose, until one day, Riina, a transfer student, asks her help to set up a boat club. Although Etsuko reluctantly accepts after hearing Riina speak passionately about her dream, she gradually starts to embrace the club after spending time with her teammates.