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.
TV credits
Rated 7.5 out of 10
Star Wars: Visions Presents - The Ninth Jedi
2026
Rated 8.0 out of 10
Akane-banashi
2026
Rated 8.6 out of 10
You and I Are Polar Opposites
2026
Rated 7.3 out of 10
Inexpressive Kashiwada and Expressive Oota
2025
Rated 7.5 out of 10
Solo Camping for Two
2025
Rated 6.3 out of 10
Turkey! Time to Strike
2025
Rated 7.3 out of 10
Welcome to the Outcast's Restaurant!
2025
Rated 6.9 out of 10
Summer Pockets
2025
Rated 7.8 out of 10
Catch Me at the Ballpark!
2025
Rated 7.7 out of 10
Puniru Is a Kawaii Slime
2024
Rated 8.1 out of 10
Orb: On the Movements of the Earth
2024
Rated 8.5 out of 10
Dan Da Dan
2024
Rated 6.6 out of 10
Let This Grieving Soul Retire
2024
Rated 7.5 out of 10
Mission: Yozakura Family
2024
Rated 7.1 out of 10
Tearmoon Empire
2023
Rated 8.8 out of 10
Frieren: Beyond Journey's End
2023
Rated 8.2 out of 10
I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Too
2023
Rated 7.1 out of 10
The Aristocrat's Otherworldly Adventure: Serving Gods Who Go Too Far
2023
Rated 8.1 out of 10
NieR:Automata Ver1.1a
2023
Rated 8.3 out of 10
BLUE LOCK
2022
Rated 8.5 out of 10
SPY x FAMILY
2022
Rated 7.1 out of 10
Star Wars: Visions
2021
Rated 7.3 out of 10
Remake Our Life!
2021
Rated 7.8 out of 10
I've Been Killing Slimes for 300 Years and Maxed Out My Level
2021