Koji Seki

Koji Seki

Acting

Birthday

1982/11/25 (42 years old)

Gender

Male

Place of Birth

Saitama, Japan

Also know as

Kouji Seki, 関 幸司, Kōji Seki

Biography

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.

Acting
劇場版 ソードアート・オンライン -プログレッシブ- 冥き夕闇のスケルツォ
7.7

(2022) Sword Art Online the Movie – Progressive – Scherzo of Deep Night

as Naijan (voice)

DAN DA DAN: First Encounter
7.7

(2024) DAN DA DAN: First Encounter

as TV Station Producer (voice)

3月のライオン
7.9

(2016) March Comes In Like a Lion

as Authorized Person 3 (voice)

スーパーカブ
7.6

(2021) Super Cub

as Clerk (voice)

ソードアート・オンライン
8.2

(2012) Sword Art Online

as Technical Staff (voice)

ソードアート・オンライン
8.2

(2012) Sword Art Online

as Goblin (voice)

スライム倒して300年、知らないうちにレベルMAXになってました
7.9

(2021) I've Been Killing Slimes for 300 Years and Maxed Out My Level

as Store Customer E (voice)

NieR:Automata Ver1.1a
8.1

(2023) NieR:Automata Ver1.1a

as Kingdom Citizen (voice)

異世界でチート能力を手にした俺は、現実世界をも無双する ~レベルアップは人生を変えた~
8.2

(2023) I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Too

as (voice)

五等分の花嫁
8.5

(2019) The Quintessential Quintuplets

as Teacher (voice)

五等分の花嫁
8.5

(2019) The Quintessential Quintuplets

as Homeroom Teacher (voice)

半妖の夜叉姫
8.3

(2020) Yashahime: Princess Half-Demon

as Thug (voice)

半妖の夜叉姫
8.3

(2020) Yashahime: Princess Half-Demon

as Old man (voice)

半妖の夜叉姫
8.3

(2020) Yashahime: Princess Half-Demon

as Peddler (voice)

半妖の夜叉姫
8.3

(2020) Yashahime: Princess Half-Demon

as Official (voice)

半妖の夜叉姫
8.3

(2020) Yashahime: Princess Half-Demon

as Guard (voice)

半妖の夜叉姫
8.3

(2020) Yashahime: Princess Half-Demon

as Chimimoryo (voice)

半妖の夜叉姫
8.3

(2020) Yashahime: Princess Half-Demon

as Villager (voice)

半妖の夜叉姫
8.3

(2020) Yashahime: Princess Half-Demon

as Bird of Paradise (voice)

半妖の夜叉姫
8.3

(2020) Yashahime: Princess Half-Demon

as Peasant (voice)

半妖の夜叉姫
8.3

(2020) Yashahime: Princess Half-Demon

as Subordinate (voice)

半妖の夜叉姫
8.3

(2020) Yashahime: Princess Half-Demon

as Townsfolk (voice)

ぼくたちのリメイク
7.3

(2021) Remake Our Life!

as (voice)

半妖の夜叉姫
8.3

(2020) Yashahime: Princess Half-Demon

as Vassal (voice)

転生貴族の異世界冒険録~自重を知らない神々の使徒~
7.3

(2023) The Aristocrat's Otherworldly Adventure

as Sebas (voice)

半妖の夜叉姫
8.3

(2020) Yashahime: Princess Half-Demon

as Fisherman (voice)

半妖の夜叉姫
8.3

(2020) Yashahime: Princess Half-Demon

as Demon (voice)

半妖の夜叉姫
8.3

(2020) Yashahime: Princess Half-Demon

as Palanquin Carrier (voice)

半妖の夜叉姫
8.3

(2020) Yashahime: Princess Half-Demon

as Rock Demon (voice)

半妖の夜叉姫
8.3

(2020) Yashahime: Princess Half-Demon

as Green ogre (voice)

ブルーロック
8.3

(2022) BLUE LOCK

as Reporter B (voice)

半妖の夜叉姫
8.3

(2020) Yashahime: Princess Half-Demon

as Staff member (voice)

半妖の夜叉姫
8.3

(2020) Yashahime: Princess Half-Demon

as Yokai (voice)

半妖の夜叉姫
8.3

(2020) Yashahime: Princess Half-Demon

as Raccoon dog in Mamiana Island (voice)

呪術廻戦
8.6

(2020) Jujutsu Kaisen

as Fumi's Father (voice)

ハイキュー!!
8.6

(2014) Haikyu!!

as Kai Akakura (voice)

NieR:Automata Ver1.1a
8.1

(2023) NieR:Automata Ver1.1a

as Machine Creature (voice)

男子高校生の日常
8.0

(2012) Daily Lives of High School Boys

as Basketball Guy (voice)

男子高校生の日常
8.0

(2012) Daily Lives of High School Boys

as Boy B (voice)

ダンダダン
8.7

(2024) Dan Da Dan

as TV Station Producer (voice)

ダンダダン
8.7

(2024) Dan Da Dan

as Male Client (voice)

神之塔 -Tower of God-
8.3

(2020) Tower of God

as (voice)

ダンダダン
8.7

(2024) Dan Da Dan

as Male Teacher (voice)

ぷにるはかわいいスライム
8.6

(2024) Puniru Is a Kawaii Slime

as Academic Researchers (voice)

夜桜さんちの大作戦
7.4

(2024) Mission: Yozakura Family

as Detective (voice)

夜桜さんちの大作戦
7.4

(2024) Mission: Yozakura Family

as (voice)

夜桜さんちの大作戦
7.4

(2024) Mission: Yozakura Family

as Battalion member (voice)

嘆きの亡霊は引退したい
7.5

(2024) Let This Grieving Soul Retire

as Greg Zangief (voice)

チ。―地球の運動について―
7.9

(2024) Orb: On the Movements of the Earth

as Knight (voice)