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.
Sword Art Online the Movie – Progressive – Scherzo of Deep Night
As Naijan (voice)
DAN DA DAN: First Encounter
As TV Station Producer (voice)
March Comes In Like a Lion
As Authorized Person 3 (voice)
Super Cub
As Clerk (voice)
Sword Art Online
As Technical Staff (voice)
I've Been Killing Slimes for 300 Years and Maxed Out My Level
As Store Customer E (voice)
NieR:Automata Ver1.1a
As Kingdom Citizen (voice)
I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Too
As (voice)
The Quintessential Quintuplets
As Teacher (voice)
Yashahime: Princess Half-Demon
As Thug (voice)
Remake Our Life!
As (voice)
The Aristocrat's Otherworldly Adventure: Serving Gods Who Go Too Far
As Sebas (voice)
BLUE LOCK
As Reporter B (voice)
JUJUTSU KAISEN
As Fumi's Father (voice)
Haikyu!!
As Kai Akakura (voice)
Daily Lives of High School Boys
As Basketball Guy (voice)
Dan Da Dan
As TV Station Producer (voice)
Tower of God
As (voice)
Puniru Is a Kawaii Slime
As Academic Researchers (voice)
Mission: Yozakura Family
As Detective (voice)
Let This Grieving Soul Retire
As Greg Zangief (voice)
Orb: On the Movements of the Earth
As Knight (voice)