Place of Birth: Saitama Prefecture, JapanBirthday: 15 October 1978Bio: 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.
Not to be confused with Koji Seki (関 幸司), a japanese voice actor.