Karakter & Staf

Sun Seto

Utama

Sun is the daughter of mermaid Yakuza Seto Group's boss, Seto Gozaburo. She is a firm believer in the chivalrous spirit of mermaids, and is devoted to her role as Nagasumi's wife. Not yet being an adult, Sun is not able to completely maintain her human form, and her legs revert to a tail whenever she comes into contact with water. (Source: Wikipedia) Sun is well known in her school due to her figure, tall height, and model like appearance.

Haruko Momoi

Nagasumi Michishio

Utama

Male

Nagasumi is the protagonist of the story. Nagasumi is likely the only one in his family who has a clear head, apart from his grandmother. When push comes to shove, Nagasumi demonstrates large inner strength. (Wikipedia)

Daichuu Mizushima

Lunar Edomae

Utama

Female

Lunar is a childhood friend and rival of Sun. She has used the powers of her mermaid voice to become a pop star idol singer. She seems to suffer from a superiority complex, and she never passes up an attempt to overshadow Sun. She initially thought that Sun was boasting Nagasumi to her, and in an attempt to outdo Sun she decides to steal him away from her by making Nagasumi her servant, since Nagasumi has also seen her mermaid form. Later she decides to live in Nagasumi's house until his servant status is over. (Source: Wikipedia)

Sakura Nogawa

Masa

Pendukung

Male

A member of the Seto Group. Masa is the one who stole Nagasumi's first kiss (he was actually performing CPR, but anyone would use that as an excuse to say they got a kiss from a man as beautiful as him). Nagasumi's mother and father are very attracted to Masa, but he often shoots their love down for he only loves his close friend Mark. He also transfers to Nagasumi's school, becoming his math teacher. He is often seen with his close friend Mark who he is often compared to in terms of beauty.

Katsuki Murase

Maki

Pendukung

Female

"Spiral Shell" Maki is an assassin working for the Seto Group, as well a devoted friend of Sun. She, like Gōzaburō Seto, dislikes the idea of "losing" Sun to Nagasumi, and will often distract Sun with sweet talk in order to fire her shell gun at Nagasumi. She also thinks that Nagasumi and Luna should be together. (Source: Wikipedia)

Natsuko Kuwatani

Mawari Zenigata

Pendukung

Female

Height: 148 cm Mawari is the daughter of the chief of police in Nagasumi's hometown, and a childhood friend of Nagasumi, who she has a crush on. She takes it upon herself to act as a moderator of social behavior, and often reprimands Nagasumi for some of his actions.

Rika Morinaga

Fujishiro Shark

Pendukung

Male

Shark is a member of Seto Group initially summoned by Sun's father during the Michishio family's initial visit to the Seto family home to attack Nagasumi. In human form, he later becomes Nagasumi's P.E. teacher. By his thinking, the sooner Nagasumi dies, the sooner everyone can return home. He often acts on this logic, trying to eat him. According to him, the answer to all problems is by eating the person causing the chaos, be it Sun's or Lunar's fans or a suicide bomber from his own group. he often seen sleeping and he can transform in only a sharkhead, but also a whole shark as seen when he's in the sauna.

Takehito Koyasu

Kai Mikawa

Pendukung

Male · Umur 14

Kai is the richest boy in Japan, the son of the head of the multi-million dollar Mikawa Corporation. He rivals Nagasumi for Sun's hand in marriage. He is a killer whale from another mermaid group. Strangely while Sun and Lunar are shown in Mermaid form (torso of a human and tail of a fish) whenever they fail to maintain their human forms, Mikawa is shown as an entire Killer Whale when he succumbs to the effect of water. He also has agoraphobia, which is why he travels only in submarines and wears an astronaut's suit in open spaces. While looking for a servant he befriends Saru.

Daisuke Ono

Edomae

Pendukung

Male

He is only referred to as Luna's Papa, he is Luna's father and leader of the Edomae group. He is a tall, very well built man dressed in a shiny black jump suit. Being modeled after the Terminator, he rarely speaks more than a few words and many of them are Terminator catch phrases in English.

Tesshou Genda

Iinchou

Pendukung

Height: 165 cm She is a good friend of Mawari. While her true name is unknown, her classmates only refer her as Iinchou. Despite the fact that she is the class president, her presence is usually too passive to be noticeable. She also has a crush on Nagasumi.

Noriko Rikimaru

Hideyoshi Sarutobi

Pendukung

Male

Hideyoshi Sarutobi, often referred to as Saru, is a friend of Nagasumi who is often portrayed as a perverted monkey. He later became Kai's "servant" and always protects and helps him when he is in need (although reasons are more likely because of his fortune). Saru occasionally appears dressed as an old hermit, "ero-sennin" (erotic/perverted thousand-year-old), who periodically appears to offer insights of perverted sagacity. (Source: Wikipedia)

Masahito Yabe

Akeno Shiranui

Pendukung

Female

Akeno is not only a mermaid but also a "mermaid examiner". She has the responsibility of deporting all the mer-people who fail to qualify as not only resembling humans but also not arousing any suspicion of their true identities. When first introduced she had a hostile attitude towards the other major protagonists. This later changes as develops feelings of compassion towards them and also as she finds her "duty" as a Knight-in-training as an excuse used by the final antagonist.

Eri Kitamura

Satori Sarutobi

Pendukung

Saru's little sister who appears in the original manga and the OVA series. After being saved from a burning movie theatre by Nagasumi, she calls him "Nagasumi Willis" after "Bunta Willis" an action hero that parodies Bruce Willis and Bunta Sugawara. (Source: Wikipedia)

Tomoko Kaneda

Saturn

Pendukung

Saturn appears in Seto no Hanayome OVA as an old friend of Seto San who pays a visit to the school.

Ayumi Tsunematsu