Koji Seki

Actor

Born: November 25, 1982 (43 years old)

Place of birth: Saitama, Japan

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.

Filmography (36)

• Sword Art Online the Movie – Progressive – Scherzo of Deep Night (2022, ★ 7.6)
• DAN DA DAN: First Encounter (2024, ★ 7.6)
• HAIKYU!! The Dumpster Battle (2024, ★ 7.7)
• Umamusume: Pretty Derby - Beginning of a New Era (2024, ★ 7.9)
• March Comes In Like a Lion (2016, ★ 7.9)
• Super Cub (2021, ★ 7.2)
• Sword Art Online (2012, ★ 8.2)
• I've Been Killing Slimes for 300 Years and Maxed Out My Level (2021, ★ 7.9)
• NieR:Automata Ver1.1a (2023, ★ 8.1)
• I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Too (2023, ★ 8.2)
• The Quintessential Quintuplets (2019, ★ 8.4)
• Yashahime: Princess Half-Demon (2020, ★ 8.3)
• BLUE LOCK (2022, ★ 8.2)
• JUJUTSU KAISEN (2020, ★ 8.6)
• Haikyu!! (2014, ★ 8.6)
• Daily Lives of High School Boys (2012, ★ 7.9)
• Dan Da Dan (2024, ★ 8.5)
• Tower of God (2020, ★ 8.2)
• The Aristocrat's Otherworldly Adventure: Serving Gods Who Go Too Far (2023, ★ 7.1)
• Mission: Yozakura Family (2024, ★ 7.5)
• Orb: On the Movements of the Earth (2024, ★ 7.9)
• Tearmoon Empire (2023, ★ 7.1)
• ID: INVADED (2020, ★ 7.2)
• Catch Me at the Ballpark! (2025, ★ 7.8)
• Summer Pockets (2025, ★ 7)
• Welcome to the Outcast's Restaurant! (2025, ★ 7.4)
• Puniru Is a Kawaii Slime (2024, ★ 7.9)
• SPY x FAMILY (2022, ★ 8.5)
• Frieren: Beyond Journey's End (2023, ★ 8.8)
• You and I Are Polar Opposites (2026, ★ 8.5)