Kuba was born in Kanagawa Prefecture on November 21, 1984. After graduating from high school, he joined Tokyo Verdy in 2003 and debuted in 2005. However he could hardly play in the match and the club was relegated to the J2 League at the end of the 2005 season. Although his opportunity to play increased in 2006, he resigned and retired at the end of the 2006 season.
