He currently plays for Jong Genk, wearing the number 55 shirt. At the international level, he represents Japan U18. He plays primarily as a Defender. His current market value is estimated at 300K €.

His most recent move was a from Kamimura Gakuen High School to Jong Genk on 2024-03-19.

Throughout the Belgian Second Division 2025-2026, Yumeki Yoshinaga featured in 11 matches, averaging 1.5 tackles, 0.5 interceptions, and 1.5 clearances per game, while blocking 0 shots per game.