In August 2002, Fukumoto was selected by the Japan U-20 national team for the 2002 U-19 World Championship. In October, she was selected by the Japan national team for the 2002 Asian Games. At this competition, on October 4, she debuted against Vietnam. She played in the World Cup 3 times (2007, 2011 and 2015) and at the Summer Olympics 2 times (2008 and 2012). Japan won the championship at the 2011 World Cup, came second in the 2015 World Cup and got a silver medal in the 2012 Summer Olympics. She played 81 games for Japan until 2016.