Eien no 831

Eien no 831 (Japanese: 永遠の831, Hepburn: Eien no Hachisanichi) is a 2022 Japanese anime adventure television film written and directed by Kenji Kamiyama, with animation production by Craftar.

Eien no 831
Key visual
永遠の831 (Eien no Hachisanichi)
Genre	Adventure[1]
Anime television film
Directed by	Kenji Kamiyama
Written by	Kenji Kamiyama
Music by	Go Shiina
Studio	Craftar
Licensed by	BI: Anime Limited[2]
Original network	Wowow
Released	January 30, 2022 (TV) March 18, 2022 (theatrical)
Runtime	105 minutes

It premiered on television on Wowow on January 30, 2022. It was later released in theaters in Japan on March 18, 2022.

Plot

Characters

Suzushirō Asano (浅野 スズシロウ, Asano Suzushirō)

Voiced by: Soma Saito^[1] (Japanese); Jason Kesser (English)

Nazuna Hashimoto (橋本 なずな, Hashimoto Nazuna)

Voiced by: M.A.O^[1] (Japanese); Isis Leyva (English)

Seri Agawa (亜川 芹, Agawa Seri)

Voiced by: Kazuyuki Okitsu^[1] (Japanese); Travis Roig (English)

Akina (アキナ)

Voiced by: Yoko Hikasa^[3]

Murotoa (室戸)

Voiced by: Akio Otsuka^[3] (Japanese); Paul Louis (English)

Sugoroku (双六)

Voiced by: Takatsugu Awazu^[3] (Japanese); Carlos Alayeto (English)

Older Sakata brother (坂田兄弟 (兄), Sakata kyōdai – Ani)

Voiced by: Takayuki Kondo^[3] (Japanese); Rayner Garranchan (English)

Younger Sakata brother (坂田兄弟 (弟), Sakata kyōdai – Oto)

Voiced by: Ryota Iwasaki^[3] (Japanese); Chris Flores (English)

Donki (ドンキ)

Voiced by: Seiichiro Yamashita^[3] (Japanese); Scott Genn (English)

Kyōko Kagami (各務 恭子, Kagami Kyōko)

Voiced by: Rei Igarashi^[3] (Japanese); Paula Barros (English)

Production and release

The film was announced on August 3, 2021, to coincide with the 30th anniversary of Wowow.^[4] It is written for the screen and directed by Kenji Kamiyama and its animation production is by Craftar.^[5] Go Shiina composed the music. The film premiered on Wowow on January 30, 2022.^[6] Its main theme is "Hitohira no Mirai" performed by angela, while the opening theme is "Kingyo Bachi", performed by KanoeRana [ja].^[7] After the television premiere, it was announced that the film would also be released in Japanese theaters on March 18, 2022.^[8] The film had a limited theatrical release in the UK on December 13, 2022 via Anime Limited.^[9]