Acting
Koji Seki
October 15 1978- Place of birth: Kawaguchi, Saitama, Japan
- Gender: Male
- Also known as: 関 幸治, Kōji Seki, Kouji Seki
Koji Seki (関 幸治, Seki Kōji, October 15, 1978) is a Japanese actor from Saitama Prefecture. He is affiliated with Animo Produce. He has blood type O.
