Seto no Hanayome

Michishio Nagasumi

Main

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.(Source: Wikipedia)...

Seto Sun

Main

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 fo...

Ajitaro

Supporting

One of the three fish brothers who work for Seto Gouzaburou in plotting against Nagasumi marrying his daughter....

Burio

Supporting

One of the three fish brothers who work for Seto Gouzaburou in plotting against Nagasumi marrying his daughter....

Edomae Lunar

Supporting

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 S...

Edomae

Supporting

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 ar...

Iinchou

Supporting

Height: 165 cmWeight: 52 kgShe 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 cru...

Maguro

Supporting

One of the three fish brothers who work for Seto Gouzaburou in plotting against Nagasumi marrying his daughter....

Maki

Supporting

Maki (マキ, Maki) is a kunoichi from Sunagakure.Manga Debut: Chapter #270 Anime: Naruto Shippūden Episode #12(source: Narutopedia)...

Masa

Supporting

No biography written....

Michishio Father

Supporting

Nagasumi's father is always shown as an object of suffering, due to his wife's dying love for Masa. Whenever his wife shows her interest in Masa, he is shown in a depressed state, like the time she offers Masa her home cooked meal, he is shown coughing on...

Michishio Mother

Supporting

She is Nagasumi's young-looking mother. She moons over Masa all the time and enjoys ignoring her husband. She approves of Nagasumi and Sun's relationship. ...

Michishio Grandma

Supporting

This is the grandmother of the main character Michishio, Nagasumi and mother to Michishio, Father...

Mikawa Kai

Supporting

Kai is the richest boy in Japan, the fourteen-year-old 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 ...

Octopus Nakajima

Supporting

Nakajima is a member of Seto Group. As a very minor supporting character, not much is known about him, except his human transformation is weaker than the others, as can be seen in numerous scenes where he accidentally turns back into his octopus form....

Okhotsk Maruko

Supporting

Yet another childhood friend of Sun....

Sarutobi Satori

Supporting

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.(Sourc...

Sarutobi Hideyoshi

Supporting

Hideyoshi Sarutobi, often referred to as Saru, is a friend of Nagasumi who is often portrayed as a perverted monkey (a pun on his name; "saru" meaning monkey). He later became Kai's "servant" and always protects and helps him when he is in need (although ...

Saturn

Supporting

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

Seto Ren

Supporting

Ren is Suns mother. She likes to encourage Sun and Nagasumi, and usually tries to keep her husband in check. She also enjoys teasing Nagasumi, whom she thinks to be cute. She transfers to Nagasumis school later on, becoming the new school nurse....

Seto Gouzaburou

Supporting

Seto Gouzaburou is Seto Sun's extremely over-protective and loving father. Head of the mermaid Yazuka in the Seto reigion, Gouzaburou is fierce and powerful. He hates Nagasumi and continuously tries to get Nagasumi killed throughout the series, and takes ...

Shark Fujishiro

Supporting

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, ...

Shiranui Akeno

Supporting

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...

Zenigata Mawari

Supporting

Height: 148 cmMawari 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 h...