In October 1984, Hironaka was selected by the Japan national team for a tour in China. On October 17, she debuted for Japan against Italy. She was a member of the national team in 1986 and in the 1989 AFC Championship. She also played in the 1990 Asian Games. That competition was her last game for Japan. She played 21 games and scored 3 goals for Japan between 1984 and 1990.