Koji Seki

Koji Seki

Koji Seki (関 幸司, Seki Kōji, born November 25, 1982) is a Japanese voice actor from Saitama Prefecture who is affiliated with Raccoon Dog. He graduated from Pro-Fit Voice Actor Training School and joined the agency Pro-Fit. On April 1, 2022, he transferred to Raccoon Dog.

  • Popularity : 6.123
  • Known For : Acting
  • Birthday : 1982-11-25
  • Place of Birth : Saitama, Japan
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Koji Seki Movies

  • 2007
    imgMovies

    Princess Onmitsu

    Princess Onmitsu

    5 2007 HD

    A magical girl and her doll must defeat an invading horde of air pirates.

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  • 2022
    imgMovies

    Sword Art Online the Movie – Progressive – Scherzo of Deep Night

    Sword Art Online the Movie – Progressive – Scherzo of Deep Night

    7.7 2022 HD

    Over a month has passed since 10,000 users were trapped inside the "Sword Art Online" world. Asuna, who cleared the first floor of the floating iron...

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  • 2024
    imgMovies

    DAN DA DAN: First Encounter

    DAN DA DAN: First Encounter

    8 2024 HD

    High schoolers Momo and Okarun, who debate about ghosts and aliens, investigate paranormal sites, encountering supernatural forces while awaking...

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  • 2016
    imgS2 E22

    March Comes In Like a Lion

    March Comes In Like a Lion

    7.9 2016 HD

    Rei is a 17-year old professional shōgi player, who lives by himself, not having a real family, and has scarcely any friends. Among his...

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  • 2021
    imgS1 E12

    Super Cub

    Super Cub

    7.429 2021 HD

    Koguma is a high school girl in Yamanashi. She has no parents, friends, or hobbies, and her daily life is empty. One day, Koguma gets a used Honda...

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  • 2012
    imgS4 E23

    Sword Art Online

    Sword Art Online

    8.2 2012 HD

    In the near future, a Virtual Reality Massive Multiplayer Online Role-Playing Game (VRMMORPG) called Sword Art Online has been released where players...

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  • 2012
    imgS4 E23

    Sword Art Online

    Sword Art Online

    8.2 2012 HD

    In the near future, a Virtual Reality Massive Multiplayer Online Role-Playing Game (VRMMORPG) called Sword Art Online has been released where players...

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  • 2021
    imgS1 E12

    I've Been Killing Slimes for 300 Years and Maxed Out My Level

    I've Been Killing Slimes for 300 Years and Maxed Out My Level

    7.9 2021 HD

    After dying of overwork in the real world, I’m reincarnated as an immortal witch, and I spend 300 years enjoying a relaxing life. At some...

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  • 2023
    imgS1 E24

    NieR:Automata Ver1.1a

    NieR:Automata Ver1.1a

    8.074 2023 HD

    The distant future, 5012. The sudden aerial invasion of Earth by <Aliens> and their creations <Machine Lifeforms> led mankind to the brink...

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  • 2023
    imgS1 E13

    I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Too

    I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Too

    8.21 2023 HD

    A door to another world stretches out before a boy who's been brutally bullied all his life. This alternate reality grants him access to all sorts of...

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  • 2019
    imgS2 E12

    The Quintessential Quintuplets

    The Quintessential Quintuplets

    8.5 2019 HD

    Fuutarou Uesugi is a poor, antisocial ace student who one day meets the rich transfer student Itsuki Nakano. They argue but when Uesugi realizes he...

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  • 2019
    imgS2 E12

    The Quintessential Quintuplets

    The Quintessential Quintuplets

    8.5 2019 HD

    Fuutarou Uesugi is a poor, antisocial ace student who one day meets the rich transfer student Itsuki Nakano. They argue but when Uesugi realizes he...

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  • 2020
    imgS1 E48

    Yashahime: Princess Half-Demon

    Yashahime: Princess Half-Demon

    8.333 2020 HD

    In feudal Japan, half-demon twins Towa and Setsuna are separated from each other during a forest fire. While desperately searching for her younger...

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  • 2020
    imgS1 E48

    Yashahime: Princess Half-Demon

    Yashahime: Princess Half-Demon

    8.333 2020 HD

    In feudal Japan, half-demon twins Towa and Setsuna are separated from each other during a forest fire. While desperately searching for her younger...

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  • 2020
    imgS1 E48

    Yashahime: Princess Half-Demon

    Yashahime: Princess Half-Demon

    8.333 2020 HD

    In feudal Japan, half-demon twins Towa and Setsuna are separated from each other during a forest fire. While desperately searching for her younger...

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  • 2020
    imgS1 E48

    Yashahime: Princess Half-Demon

    Yashahime: Princess Half-Demon

    8.333 2020 HD

    In feudal Japan, half-demon twins Towa and Setsuna are separated from each other during a forest fire. While desperately searching for her younger...

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  • 2020
    imgS1 E48

    Yashahime: Princess Half-Demon

    Yashahime: Princess Half-Demon

    8.333 2020 HD

    In feudal Japan, half-demon twins Towa and Setsuna are separated from each other during a forest fire. While desperately searching for her younger...

    img
  • 2020
    imgS1 E48

    Yashahime: Princess Half-Demon

    Yashahime: Princess Half-Demon

    8.333 2020 HD

    In feudal Japan, half-demon twins Towa and Setsuna are separated from each other during a forest fire. While desperately searching for her younger...

    img
  • 2020
    imgS1 E48

    Yashahime: Princess Half-Demon

    Yashahime: Princess Half-Demon

    8.333 2020 HD

    In feudal Japan, half-demon twins Towa and Setsuna are separated from each other during a forest fire. While desperately searching for her younger...

    img
  • 2020
    imgS1 E48

    Yashahime: Princess Half-Demon

    Yashahime: Princess Half-Demon

    8.333 2020 HD

    In feudal Japan, half-demon twins Towa and Setsuna are separated from each other during a forest fire. While desperately searching for her younger...

    img
  • 2020
    imgS1 E48

    Yashahime: Princess Half-Demon

    Yashahime: Princess Half-Demon

    8.333 2020 HD

    In feudal Japan, half-demon twins Towa and Setsuna are separated from each other during a forest fire. While desperately searching for her younger...

    img
  • 2020
    imgS1 E48

    Yashahime: Princess Half-Demon

    Yashahime: Princess Half-Demon

    8.333 2020 HD

    In feudal Japan, half-demon twins Towa and Setsuna are separated from each other during a forest fire. While desperately searching for her younger...

    img
  • 2020
    imgS1 E48

    Yashahime: Princess Half-Demon

    Yashahime: Princess Half-Demon

    8.333 2020 HD

    In feudal Japan, half-demon twins Towa and Setsuna are separated from each other during a forest fire. While desperately searching for her younger...

    img
  • 2021
    imgS1 E12

    Remake Our Life!

    Remake Our Life!

    7.133 2021 HD

    Hashiba Kyouya is a 28-year-old game developer. With his company going bankrupt, and him losing his job, he returns to his hometown. Looking at the...

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  • 2020
    imgS1 E48

    Yashahime: Princess Half-Demon

    Yashahime: Princess Half-Demon

    8.333 2020 HD

    In feudal Japan, half-demon twins Towa and Setsuna are separated from each other during a forest fire. While desperately searching for her younger...

    img
  • 2023
    imgS1 E12

    The Aristocrat's Otherworldly Adventure

    The Aristocrat's Otherworldly Adventure

    7.2 2023 HD

    After dying in the act of stopping a crime in modern Japan, our hero is reincarnated as Cain von Silford, third son of a noble family in a world of...

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  • 2020
    imgS1 E48

    Yashahime: Princess Half-Demon

    Yashahime: Princess Half-Demon

    8.333 2020 HD

    In feudal Japan, half-demon twins Towa and Setsuna are separated from each other during a forest fire. While desperately searching for her younger...

    img
  • 2020
    imgS1 E48

    Yashahime: Princess Half-Demon

    Yashahime: Princess Half-Demon

    8.333 2020 HD

    In feudal Japan, half-demon twins Towa and Setsuna are separated from each other during a forest fire. While desperately searching for her younger...

    img
  • 2020
    imgS1 E48

    Yashahime: Princess Half-Demon

    Yashahime: Princess Half-Demon

    8.333 2020 HD

    In feudal Japan, half-demon twins Towa and Setsuna are separated from each other during a forest fire. While desperately searching for her younger...

    img
  • 2020
    imgS1 E48

    Yashahime: Princess Half-Demon

    Yashahime: Princess Half-Demon

    8.333 2020 HD

    In feudal Japan, half-demon twins Towa and Setsuna are separated from each other during a forest fire. While desperately searching for her younger...

    img
  • 2020
    imgS1 E48

    Yashahime: Princess Half-Demon

    Yashahime: Princess Half-Demon

    8.333 2020 HD

    In feudal Japan, half-demon twins Towa and Setsuna are separated from each other during a forest fire. While desperately searching for her younger...

    img
  • 2022
    imgS1 E35

    BLUE LOCK

    BLUE LOCK

    8.039 2022 HD

    After a disastrous defeat at the 2018 World Cup, Japan's team struggles to regroup. But what's missing? An absolute Ace Striker, who can guide them...

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  • 2020
    imgS1 E48

    Yashahime: Princess Half-Demon

    Yashahime: Princess Half-Demon

    8.333 2020 HD

    In feudal Japan, half-demon twins Towa and Setsuna are separated from each other during a forest fire. While desperately searching for her younger...

    img
  • 2020
    imgS1 E48

    Yashahime: Princess Half-Demon

    Yashahime: Princess Half-Demon

    8.333 2020 HD

    In feudal Japan, half-demon twins Towa and Setsuna are separated from each other during a forest fire. While desperately searching for her younger...

    img
  • 2020
    imgS1 E48

    Yashahime: Princess Half-Demon

    Yashahime: Princess Half-Demon

    8.333 2020 HD

    In feudal Japan, half-demon twins Towa and Setsuna are separated from each other during a forest fire. While desperately searching for her younger...

    img
  • 2020
    imgS1 E47

    Jujutsu Kaisen

    Jujutsu Kaisen

    8.578 2020 HD

    Yuji Itadori is a boy with tremendous physical strength, though he lives a completely ordinary high school life. One day, to save a classmate who has...

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  • 2014
    imgS4 E25

    Haikyu!!

    Haikyu!!

    8.6 2014 HD

    Inspired by a small-statured pro volleyball player, Shouyou Hinata creates a volleyball team in his last year of middle school. Unfortunately the...

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  • 2023
    imgS1 E24

    NieR:Automata Ver1.1a

    NieR:Automata Ver1.1a

    8.074 2023 HD

    The distant future, 5012. The sudden aerial invasion of Earth by <Aliens> and their creations <Machine Lifeforms> led mankind to the brink...

    img
  • 2012
    imgS1 E12

    Daily Lives of High School Boys

    Daily Lives of High School Boys

    8 2012 HD

    Join Tadakuni, Hidenori and Yoshitake as they undergo the trials and tribulations of life in high school. Each episode presents the boys and their...

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  • 2012
    imgS1 E12

    Daily Lives of High School Boys

    Daily Lives of High School Boys

    8 2012 HD

    Join Tadakuni, Hidenori and Yoshitake as they undergo the trials and tribulations of life in high school. Each episode presents the boys and their...

    img
  • 2024
    imgS1 E11

    Dan Da Dan

    Dan Da Dan

    8.831 2024 HD

    In a bet to prove whether ghosts or aliens exist, two high schoolers face terrifying paranormal threats, gain superpowers and maybe even fall in...

    img
  • 2024
    imgS1 E11

    Dan Da Dan

    Dan Da Dan

    8.831 2024 HD

    In a bet to prove whether ghosts or aliens exist, two high schoolers face terrifying paranormal threats, gain superpowers and maybe even fall in...

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  • 2020
    imgS2 E24

    Tower of God

    Tower of God

    8.3 2020 HD

    Reach the top, and everything will be yours. At the top of the tower exists everything in this world, and all of it can be yours. You can become a...

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  • 2024
    imgS1 E11

    Dan Da Dan

    Dan Da Dan

    8.831 2024 HD

    In a bet to prove whether ghosts or aliens exist, two high schoolers face terrifying paranormal threats, gain superpowers and maybe even fall in...

    img