Koji Seki

November 25, 1982

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.

Cast

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

(Naijan (voice))

DAN DA DAN: First Encounter

(TV Station Producer (voice))

HAIKYU!! The Dumpster Battle

(Patient (voice))

Umamusume: Pretty Derby - Beginning of a New Era

((voice))

March Comes In Like a Lion

(Authorized Person 3 (voice))

Super Cub

(Clerk (voice))

Sword Art Online

(Technical Staff (voice))

Sword Art Online

(Goblin (voice))

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

(Store Customer E (voice))

NieR:Automata Ver1.1a

(Kingdom Citizen (voice))

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

((voice))

The Quintessential Quintuplets

(Teacher (voice))

The Quintessential Quintuplets

(Homeroom Teacher (voice))

Yashahime: Princess Half-Demon

(Thug (voice))

Yashahime: Princess Half-Demon

(Old man (voice))

Yashahime: Princess Half-Demon

(Peddler (voice))

Yashahime: Princess Half-Demon

(Official (voice))

Yashahime: Princess Half-Demon

(Guard (voice))

Yashahime: Princess Half-Demon

(Chimimoryo (voice))

Yashahime: Princess Half-Demon

(Villager (voice))

Yashahime: Princess Half-Demon

(Bird of Paradise (voice))

Yashahime: Princess Half-Demon

(Peasant (voice))

Yashahime: Princess Half-Demon

(Subordinate (voice))

Yashahime: Princess Half-Demon

(Townsfolk (voice))

Yashahime: Princess Half-Demon

(Vassal (voice))

The Aristocrat's Otherworldly Adventure: Serving Gods Who Go Too Far

(Sebas (voice))

Yashahime: Princess Half-Demon

(Fisherman (voice))

Yashahime: Princess Half-Demon

(Demon (voice))

Yashahime: Princess Half-Demon

(Palanquin Carrier (voice))

Yashahime: Princess Half-Demon

(Rock Demon (voice))

Yashahime: Princess Half-Demon

(Green ogre (voice))

BLUE LOCK

(Reporter B (voice))

Yashahime: Princess Half-Demon

(Staff member (voice))

Yashahime: Princess Half-Demon

(Yokai (voice))

Yashahime: Princess Half-Demon

(Raccoon dog in Mamiana Island (voice))

JUJUTSU KAISEN

(Fumi's Father (voice))

Haikyu!!

(Kai Akakura (voice))

NieR:Automata Ver1.1a

(Machine Creature (voice))

Daily Lives of High School Boys

(Basketball Guy (voice))

Daily Lives of High School Boys

(Boy B (voice))

Dan Da Dan

(TV Station Producer (voice))

Dan Da Dan

(Male Client (voice))

Tower of God

((voice))

Dan Da Dan

(Male Teacher (voice))

Mission: Yozakura Family

(Detective (voice))

Mission: Yozakura Family

((voice))

Mission: Yozakura Family

(Battalion member (voice))

Let This Grieving Soul Retire

(Greg Zangief (voice))

Orb: On the Movements of the Earth

(Knight (voice))

Tearmoon Empire

(Priest (voice))

Tearmoon Empire

(Man (voice))

Tearmoon Empire

(Soldier (voice))

Tearmoon Empire

(Merchant (voice))

ID: INVADED

(Staff (voice))

Catch Me at the Ballpark!

(Kaiser (voice))

Summer Pockets

((voice))

Welcome to the Outcast's Restaurant!

(Merchant (voice))

Puniru Is a Kawaii Slime

(Academic Researchers (voice))

Puniru Is a Kawaii Slime

(Academic Researcher (voice))

Turkey! Time to Strike

(Samurai (voice))

Remake Our Life!

((voice))

Star Wars: Visions

SPY x FAMILY

(Rahden (voice))

Solo Camping for Two

(Izakaya Manager (voice))

Inexpressive Kashiwada and Expressive Oota

(Mathematics Teacher (voice))