Koji Seki photo

Koji Seki

Acting
1982-11-25
Saitama, Japan
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.
Known For 67 titles
Yashahime: Princess Half-Demon (2020) subtitle poster
Yashahime: Princess Half-Demon
2020 TV
as Subordinate (voice)
Subtitles Yashahime: Princess Half-Demon (2020) subtitle poster
Yashahime: Princess Half-Demon
2020 TV
as Townsfolk (voice)
Subtitles Yashahime: Princess Half-Demon (2020) subtitle poster
Yashahime: Princess Half-Demon
2020 TV
as Vassal (voice)
Subtitles Yashahime: Princess Half-Demon (2020) subtitle poster
Yashahime: Princess Half-Demon
2020 TV
as Fisherman (voice)
Subtitles Yashahime: Princess Half-Demon (2020) subtitle poster
Yashahime: Princess Half-Demon
2020 TV
as Demon (voice)
Subtitles Yashahime: Princess Half-Demon (2020) subtitle poster
Yashahime: Princess Half-Demon
2020 TV
as Rock Demon (voice)
Subtitles Yashahime: Princess Half-Demon (2020) subtitle poster
Yashahime: Princess Half-Demon
2020 TV
as Palanquin Carrier (voice)
Subtitles Yashahime: Princess Half-Demon (2020) subtitle poster
Yashahime: Princess Half-Demon
2020 TV
as Green ogre (voice)
Subtitles Yashahime: Princess Half-Demon (2020) subtitle poster
Yashahime: Princess Half-Demon
2020 TV
as Staff member (voice)
Subtitles Yashahime: Princess Half-Demon (2020) subtitle poster
Yashahime: Princess Half-Demon
2020 TV
as Yokai (voice)
Subtitles Yashahime: Princess Half-Demon (2020) subtitle poster
Yashahime: Princess Half-Demon
2020 TV
as Raccoon dog in Mamiana Island (voice)
Subtitles I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Too (2023) subtitle poster
I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Too
2023 TV
as (voice)
Subtitles The Quintessential Quintuplets (2019) subtitle poster
The Quintessential Quintuplets
2019 TV
as Teacher (voice)
Subtitles The Quintessential Quintuplets (2019) subtitle poster
The Quintessential Quintuplets
2019 TV
as Homeroom Teacher (voice)
Subtitles Tower of God (2020) subtitle poster
Tower of God
2020 TV
as (voice)
Subtitles NieR:Automata Ver1.1a (2023) subtitle poster
NieR:Automata Ver1.1a
2023 TV
as Kingdom Citizen (voice)
Subtitles NieR:Automata Ver1.1a (2023) subtitle poster
NieR:Automata Ver1.1a
2023 TV
as Machine Creature (voice)
Subtitles You and I Are Polar Opposites (2026) subtitle poster
You and I Are Polar Opposites
2026 TV
as Convenience Store Manager (voice)
Subtitles Orb: On the Movements of the Earth (2024) subtitle poster
Orb: On the Movements of the Earth
2024 TV
as Knight (voice)
Subtitles Summer Pockets (2025) subtitle poster
Summer Pockets
2025 TV
as (voice)
Subtitles Puniru Is a Kawaii Slime (2024) subtitle poster
Puniru Is a Kawaii Slime
2024 TV
as Academic Researchers (voice)
Subtitles Puniru Is a Kawaii Slime (2024) subtitle poster
Puniru Is a Kawaii Slime
2024 TV
as Academic Researcher (voice)
Subtitles I've Been Killing Slimes for 300 Years and Maxed Out My Level (2021) subtitle poster
I've Been Killing Slimes for 300 Years and Maxed Out My Level
2021 TV
as Store Customer E (voice)
Subtitles Let This Grieving Soul Retire (2024) subtitle poster
Let This Grieving Soul Retire
2024 TV
as Greg Zangief (voice)
Subtitles
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Page 2 of 3 · 67 total credits