Kosei Numata is a 24-year-old professional football player from JPN. He currently plays for Renofa Yamaguchi, wearing the number 24 shirt. He plays primarily as a Midfield. He stands at 177cm tall and weighs 65kg. His preferred foot is Left. His current market value is estimated at 100K .

His most recent move was a Free from Azul Claro Numazu to Renofa Yamaguchi on 2026-01-11.

Across 29 appearances in the Japanese J3 League 2025, Kosei Numata registered 0 goals and 1 assists, while completing 7 key passes out of 1001 total passes with a passing accuracy of 27.7.