Seto no Hanayome
Michishio Nagasumi's life couldn't be any more normal. In an odd twist of events, during his summer vacation he ends up almost drowning in the sea. Luckily, the cute mermaid Seto San appears to save him. However, San is from a yakuza mermaid family and according to their law, if a human is to catch sight of a mermaid, either he or the mermaid must die. The only other way is for Nagasumi to be take…
The OVAs are new stand alone shorts with characters from the series and introduces two new ones. It is now the third year of school, San and Luna's dads are still being over protective. All the while Nagasumi has his hands full trying to keep everyone around him under control and rescuing damsels in distress. (Source: Anime News Network)
After the final battle against Gaito, Sara had given her life to remain with him. The sea world is now at peace, but only with six mermaid princesses. While Caren, Noel, and Coco have returned to their kingdoms, it should be time for Lucia, Hanon, and Rina to do the same. After all, Mitsuki Tarou is leaving for Germany, and Doumoto Kaito is heading to Hawaii. Lucia is devestated, and when things couldn't get any worse, Kaito is lost at sea! Worst of all, a strange angel named Michel has appeared, wanting the mermaids to join him. But on the lighter side, Sara's spirit tells Lucia of Sara's successor, a young mermaid named Seira. The mermaids are in for another adventure!
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)
Plain, timid and obsessed with jellyfish, Tsukimi is a far cry from her idea of a princess. Her tepid life as a jobless illustrator comes complete with roommates who harbor diehard hobbies that solidify their status as hopeless social rejects. These wallflowers run a tight, nun-like ship, but their no-men-allowed-not-no-one-not-no-how bubble is unwittingly burst after Tsukimi brings home a rescued sea jelly and a beauty queen... who's actually a guy. When the threat of losing their cozy convent inspires this glamour boy to turn the neurotic entourage into a portrait of success, will Tsukimi take her chance to bloom, or will she end up a hot mess? (Source: Funimation)
As the mermaid princess of the North Pacific (one of the seven mermaid kingdoms), Lucia entrusts a magical pearl to a boy who falls overboard a ship one night. Lucia must travel to the human world to reclaim her pearl and protect the mermaid kingdoms. Using the power of music Lucia is able to protect herself and the mermaid kingdoms from a growing evil force.
Based on a series of Chiikawa comics posted on X by Nagano from March to November 2023, known as the "Siren Arc". One day, while Chiikawa and Hachiware were relaxing in the square, Usagi suddenly appeared with a flyer stuck to its face. When Hachiware checked the flyer, it was an invitation reading “Special Invitation to a Special Island.” Lured by promises like “Get 100x rewards for simple island quests!” and “Limited-edition island ramen, exclusive sweets—sweet and spicy treats all practically free!”, Chiikawa and the others decided to go on the island retreat. Boarding the ship alongside Rakko, who was suspicious of the flyer's contents, the group landed on the island... only to find something waiting for them there...!? (Source: Official Site, tra
Uryuu Kamihate is a high school student striving to enter Kyoto University’s medical school. After being raised at an orphanage, Uryuu is taken in by the chief priest at Amagami Shrine, where he begins to live as a freeloader—and to cohabit with Yae, Yuna, and Asahi, the three beautiful shrine maiden sisters! What’s more, the condition he must meet in order to live at the shrine for free is to marry into the family and inherit the shrine! How will Uryuu overcome his marriage meetings with the three sisters as well as the many challenges that Amagami Shrine faces? So begins a miraculous rom-com about living under the same roof with three shrine maidens! (Source: Crunchyroll, edited)
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 to adjust to a new environment and the relationships between the sea and land people, while dealing with their own newfound feelings that have just started appearing with the end of their childhood. (Source: Wikipedia)