Kosei Suwama is a Japanese defender for Yokohama F. Marinos, one of the J1 League's most prestigious and attacking clubs. Born on June 6, 2003, the 22-year-old stands 184 cm tall, weighs 79 kg, and holds a market value of approximately €350,000. Suwama's career began in the Marinos youth academy, a system known for producing technically gifted players, and he has risen to challenge for a place in the first-team defense. Career highlights include making his debut in the J1 League and contributing to Marinos' high-pressing, possession-based style of play under manager Kevin Muscat. His main team honors could include J1 League championships and domestic cups, trophies Yokohama F. Marinos regularly competes for. Suwama's style fits the modern defender mold, comfortable on the ball and capable of building attacks from the back. He is viewed as a promising talent within a club that consistently develops players for the highest levels of the game.