
Manaka Mukaido
Utama
The heroine, a middle school girl who is indecisive and prone to crying. She is best friends with Hikari Sakishima.
A Lull in the Sea

Manaka Mukaido
Utama
The heroine, a middle school girl who is indecisive and prone to crying. She is best friends with Hikari Sakishima.

Hikari Sakishima
Utama
Male
One of four childhood friends from Shioshishio. He has a short temper and usually scolds Manaka for her mistakes, though he has deep feelings for her. He is the son of Shioshishio's Chief Priest, who serves the Sea God.

Tsumugu Kihara
Utama
Male
A boy from the surface whose grandfather is a fisherman. One day, he meets Manaka when she is caught in his net. He is quiet, stoic, and very interested in the underwater world.

Chisaki Hiradaira
Utama
Female
A calm and compassionate 14-year-old middle school student from Shioshishio, a village located in the sea. Chisaki is the childhood friend of Manaka, Hikari, and Kaname, and together they attend Mihama Junior High School, which is located in the surface town of Oshiooshi. She attempts to act mature in most situations, putting her friends' feelings before her own, but her temper can flare up whenever she gets especially frustrated - in particular towards Tsumugu, whose new presence she believes is spoiling the harmonious relationship between her friends. Chisaki harbors an unrequited crush on Hikari, although he is unaware of her feelings. She also has a complex about her body and hates change to the point where it hinders her own emotional development.

Kaname Isaki
Utama
Male
One of four childhood friends from Shioshishio. He is Hikari's best friend and is quiet and mature for his age. He is interested in Chisaki and cares deeply for her.

Miuna Shiodome
Utama
Female
A third grade elementary school girl whose mother, Miori (originally from Shioshishio), died when she was young. She met Akari a couple of times and played with her when Akari came to visit Miuna's mom and the family.

Sayu Hisanuma
Utama
A third grade elementary school girl with brown haired pigtails and eyes. She is Miuna's best friend who often instigates confrontations with sea people. She appears to have a crush on Kaname.

Akari Sakishima
Pendukung
Female · Umur 25
Height: 168cm Hikari's older sister.

Uroko
Pendukung
He's the wise Lord of the village and makes sure everyone follows the laws of the sea. A pervert that also enjoys drinking Sake, it's hard to take him seriously. Manaka says he's like a God.

Tomoru Sakishima
Pendukung
The father of Hikari Sakishima and Akari Sakishima and "Chief Priest" of the village Shioshishio. He is regarded very highly among the others in the village and is the attentent of Uroko. (Source: Nagi no Asu Kara Wiki)

Itaru Shiodome
Pendukung
The father of Miuna Shiodome, who was about 13 years old at the time of her birth.

Shun Sayama
Pendukung
Shun Sayama is the former classmate of Hikari Sakishima and help built the statue for the Ofunehiki.

Isamu Kihara
Pendukung
A former resident of Shioshishio and Tsumugu's grandfather who is also a fisherman.

Satoru Mihashi
Pendukung
Tsumugu's university research professor

Sensei
Pendukung
Teacher at Mihama Middle School

Akira Shiodome
Pendukung

Takeshi Egawa
Pendukung

Kaori Akiyoshi
Pendukung

Yuu Seiki
Pendukung
Often seen visiting the garbage disposal with Kaname. (Source: MyAnimeList)

Ojoshi-sama
Pendukung
Female

Miori Shiodome
Latar
Miori Shiodome is the former wife of Itaru Shiodome and the mother of Miuna Shiodome. Miori is also a friend of Akari Sakishima.

Atsushi Minegishi
Latar
A side character who is attracted to Miuna Shiodome

Buriki
Original Character Design

Toshiya Shinohara
Director

Mari Okada
Series Composition

Yuriko Ishii
Character Design

Kazuki Higashiji
Art Director

Mika Sugawara
Color Design

Jin Aketagawa
Sound Director

Yoshiaki Dewa
Music

Reika Kisumi
Theme Song Performance

Yuriko Ishii
Chief Animation Director

Takayuki Nagatani
Producer

Reika Kisumi
Theme Song Performance (OP1)