- Language
- Japanese
- Occupation
- Voice Actor
- Date of birth
- 1982-11-25
- Height
- 169cm (5'6'')
Kouji Seki
関幸司
Birthplace: Saitama Prefecture, Japan
Hobbies: Ramen Shop Tours, Liquor Shop Tours, Lure Fishing, Games.
Koji Seki is a Japanese voice actor (seiyuu), who is affiliated with the talent agency Pro Fit.
Signature roles
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May I Ask for One Final Thing?
as Rex
2025
♡ 5
JUJUTSU KAISEN Season 2
as Fumi Chichi
2023
♡ 2
HAIKYU!! TO THE TOP
as Kai Akakura
2020
♡ 1
Let This Grieving Soul Retire
as Greg Zangief
2024
♡ 1
Death March to the Parallel World Rhapsody
as Boido
2018
The Quintessential Quintuplets
as Tannin Kyoushi
2019
Girls und Panzer: Motto Love Love Sakusen desu!
as Tenshu
2026
Super Cub
as Tenin
2021
RPG Real Estate
as Ashika Ajin
2022
Sword Art Online the Movie -Progressive- Scherzo of Deep Night
as Naijan
2022
Career timeline
1
1
1
1
2
5
7
4
5
20182026
Frequent co-stars
Frequently asked questions
What is Kouji Seki's name in other languages?
Kouji Seki is also known as 関幸司.
When is Kouji Seki's birthday?
Kouji Seki was born on November 25, 1982.
How old is Kouji Seki?
Kouji Seki is 43 years old.
What does Kouji Seki do?
Kouji Seki works as Voice Actor.
What language does Kouji Seki voice in?
Kouji Seki performs in Japanese.