Kim Ju-sung is a 25-year-old professional football player from KOR. He currently plays for Sanfrecce Hiroshima, wearing the number 37 shirt. He plays primarily as a Defender. He stands at 186cm tall and weighs 76kg. His preferred foot is Left. His current market value is estimated at 800K €.

His most recent move was a Free from Football Club Seoul to Sanfrecce Hiroshima on 2025-07-30. The reported fee was 1.05M €.

Throughout the Japanese J1 League 2026, Kim Ju-sung featured in 4 matches, averaging 1.8 tackles, 2.5 interceptions, and 4.8 clearances per game, while blocking 0.3 shots per game.