Season 1 · Episode 2 — The Story of Doing Something Bad With Hikari
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.
Season 1 episodes
E1Futaba Ooki, a shy girl who had just moved from Tokyo to the beachside town of Shizuoka, catches the eye of her eccentric classmate, Hikari…
E2On her way to school, Hikari races against her homeroom teacher, Mato Katori, who she discovers to be a fellow scuba diver. Later that day,…
E3Hikari 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…
E4Futaba comes to observe a scuba diving class run by Hikari's grandmother, Kino. The next day, Futaba has her first experience diving in the…
E5Noticing Futaba struggling with strength, Mato has her and Hikari go jogging to build up strength. Along the way, they come across some stu…
E6Futaba undergoes a pool course at the indoor pool, managing to properly learn how to clear her mask. However, it soon becomes apparent that…
E7On 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 bloo…
E8Makoto becomes concerned when Ai receives what appears to be a love letter from her classmate, only to later find it was addressed to anoth…
E9Futaba, who always takes photos to remember each moment, becomes shocked when her phone's memory has become full, requiring her to delete o…
E10Futaba and Hikari invite Ai to hang out with them as they go shopping for logbooks and swimsuits. Afterwards, the girls go to the beach, wh…
E11Futaba 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…
E12The 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, bu…