Episodes

Futaba Ooki, a shy girl who had just moved from Tokyo to the beachside town of Shizuoka, catches the eye of her eccentric classmate, Hikari Kohinata, who instantly befriends her. || Having moved recently, Ooki Futaba still hasn`t gotten over her old life. That`s when she has an encounter with the ocean and a peppy girl. Source: crunchyroll

On her way to school, Hikari races against her homeroom teacher, Mato Katori, who she discovers to be a fellow scuba diver. Later that day, Hikari drags Futaba to the school's Diving Club, where they try on some drysuits and take a dip in the pool. Moved by Hikari's high spirits, Futaba decides to join her in diving. || As Hikari sets off for another fun-filled school day, Futaba wakes up feeling an unexpected sensation in her heart. Source: crunchyroll

Hikari leads Futaba to a road filled with cherry blossom trees to cheer her up. The next day, Hikari and Futaba sign up for the Diving Club, where Mato, the club's advisor, teaches Futaba about air pressure and ear equalization. || Hikari tries to alleviate Futaba`s apprehensions about her new life in a way that she knows best. Futaba later has to "study" as her trial period in the Diving Club begins. Source: crunchyroll

Futaba comes to observe a scuba diving class run by Hikari's grandmother, Kino. The next day, Futaba has her first experience diving in the school's pool, struggling to keep water out of her eye mask and losing confidence. However, with Hikari's guiding her as her buddy, she begins to get used to being underwater, managing to go to the deepest parts of the pool. || Futaba observes an ocean diving exercise to prepare for her pool training and gets more motivated. Unfortunately, she runs into trouble in the pool... Source: crunchyroll

Futaba undergoes a pool course at the indoor pool, managing to properly learn how to clear her mask. However, it soon becomes apparent that Futaba doesn't actually know how to swim. Following the lesson, Mato takes Futaba and Hikari on a drive, where Futaba thanks Hikari for helping her find her own wish. || While taking a pool course to prepare for the Open Water Diver certification, Futaba reveals a rather unexpected fact. Source: crunchyroll

On a rainy day, Mato decides to follow Hikari as she boards a train, discovering that her only reason for doing so was to witness some blooming hydrangeas for a brief instant. Later, on a particularly hot day, Mato has the club play red light green light as punishment for skipping on their exam studies. || The changing of the seasons affects the mood of everyone in the Diving Club, especially Katori Mato. However, she ends up finding ways to enjoy the moment with a little help from her friends. Source: crunchyroll

Makoto becomes concerned when Ai receives what appears to be a love letter from her classmate, only to later find it was addressed to another girl. Later, as Futaba and Hikari take part in various fitness exams, Hikari helps Futaba improve her self-confidence during the 1000m run. || Ai and Teko are revisited from Makoto`s and Pikari`s perspectives respectively and reveal a surprising side to their personality. Source: crunchyroll

Futaba, who always takes photos to remember each moment, becomes shocked when her phone's memory has become full, requiring her to delete or move her old photos, including those of her friends from Tokyo. As Futaba finds herself unable to delete any of her old photos to make room for new memories, Hikari and the others buy her a digital photo frame to store all of her photos, both old and new. || Futaba`s phone memory maxes out, reminding her that her memorable photos are nothing but data. Source: crunchyroll

Futaba and Hikari invite Ai to hang out with them as they go shopping for logbooks and swimsuits. Afterwards, the girls go to the beach, where Futaba tells Kino about all the things she has learned since meeting Hikari. Futaba expresses her concerns about whether she can become a suitable buddy for Hikari, though Hikari expresses that she's had times when she lost her way as well, saying that it is a chance to have more fun. Afterwards, Futaba finally manages to pass the pool course, allowing her to move on to the Open Diver course with everyone. || Hikari and Futaba lend Ai a helping hand when she`s lost trying to figure out how to spend the day. Source: crunchyroll

Futaba and Hikari follow the club's mascot, Cha, leading them to take a path that neither of them has been down before. Along the way, they come across a small kitten that appears to have been separated from her mother. With neither girl able to take the kitten in, they decide to ask around at school for a potential owner, eventually getting found by Mato, who reminds them of responsibility involved in taking care of a life. Hearing Futaba wants to help the kitten like she helped her, Hikari convinces her mother to let the kitten stay at her house until they can find an owner. Just then, the school's principal, who is Cha's owner, decides to take in the kitten, who is given the name Ohime. || Futaba and Hikari take a walk down a path neither of them know, and end up finding a tiny kitten all on its own. Source: crunchyroll

The Open Diver course begins, with Futaba and Hikari paired up as buddies. Futaba loses one of her fins on the way to the descent point, but it gets picked up by another diver, turning her fears of the unknown world beneath her into excitement. Guided by the bubbles of the other divers, Futaba reaches the bottom of the ocean floor, wowed by the scenery and sealife spread out before her. Clearing all the tasks before her, Futaba passes the course with flying colors and becomes a fully-fledged Open Diver. Afterwards, Futaba and Hikari thank each other for everything that's happened since they became friends. || It`s finally time for Futaba`s open water course as she sets off for a whole new world she`s never seen before and reflects on her journey there. Source: crunchyroll