Nagi no Asukara
Since long ago, human civilization had lived on the ocean floor. However, there were many humans who wanted to live above the surface and they moved to land creating a fundamental separation between the two. After their school closes down, four 14-year-old middle school students from the sea village, Shioshishio, have to attend Mihama Middle School on the surface. What follows is their struggles t…
One summer vacation, Ruka meets two boys, "Umi" and "Sora," whose upbringing contains strange and wonderful secrets. Drawn to their beautiful swimming, almost more like flying, Ruka and the adults who know them are intertwined in a complex mesh... Meanwhile, an unexplained anomaly is occurring all over the world: fish are disappearing. Thus begins a marine adventure of boys and girls to captivate all the senses!
Sixth-graders Kousuke and Natsume grew up in the same apartment building as childhood friends. During summer break, while playing in the apartment building that is set to be demolished, they find themselves caught in a strange phenomenon. All they can see around them is a vast sea. Will Kousuke and the others make it back to their world? A journey of farewells in summer has just begun. (Source: Netflix)
After coming out to his parents, aspiring novelist Shun Hashimoto has no one to turn to, until the day he meets high schooler Mio Chibana on the beach. The two instantly click—just before Mio has to leave for the mainland. Now three years later, Mio returns with a confession. But after all this time, will Shun feel the same? (Source: Funimation)
Introverted Hina Tsurugi is trying to adjust to her new school since moving from the countryside. And in spite of her unease around sea life, classmate Yuuki Kuroiwa somehow convinces her to join the Breakwater Fishing Club. She wants to be open to these new friends and experiences, but some of them are as strange as the fish they’re supposed to hook. Is she biting off more than she can chew? (Source: Crunchyroll)
A sci-fi, summer story filled with suspense set on a small island with Shinpei Aijiro, whose childhood friend Ushio Kofune died. He returns to his hometown for the first time in two years for the funeral. Sou Hishigata, his best friend, suspects something's off with Ushio's death, and that someone can die next. A sinister omen is heard as an entire family next door suddenly disappears the following day. Furthermore, Mio implicates a "shadow" three days before Ushio's death. (Source: Disney+)
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. (Source: Toho)
Hinako lives alone by the sea, quietly drifting through life after losing her family years ago. One day, a mermaid named Shiori saves her from a monster and says she’s come to eat her—just not yet. Until then, Shiori will stay by her side and keep her safe. In that moment, a deep hope swells in Hinako: Maybe this girl can finally grant her the ending she’s been waiting for. (Source: Crunchyroll)
Kai Ashimoto, a gloomy young middle schooler, lives in Hinashi Town, a lonely fishing village, with his father and his grandfather, a parasol maker. He used to live in Tokyo, but after his parents divorced he moved back to his father's home town. Kai has trouble telling his parents the complicated feelings he has for them, and he's lonely and pessimistic about his school life. One of his joys is uploading songs he writes to the internet. One day, his classmates Kunio and Yuuho invite him to join their band, "SEIREN". As he reluctantly follows them to Merfolk Island, their practice spot, they meet Lu, the mermaid. Lu sings merrily and dances innocently. As Kai begins to spend time with her, he starts to be able to say what it is that he's really thinking. (Source: Wikipedia)