Hikari played for the Japan U-17 national team at 2010 U-17 World Cup which Japan won the 2nd place and the U-20 team at 2012 U-20 World Cup which Japan won the 3rd place. On June 5, 2016, she debuted for the Japan national team against United States. She was a member of Japan for 2018 Asian Cup and Japan won the championship. She played 19 games and scored 1 goal for Japan until 2018.