Naomoto played for the Japan U-17 national team at 2010 U-17 World Cup Japan won the 2nd place and the U-20 team at 2012 U-20 World Cup Japan won the 3rd place. On May 8, 2014, she debuted for the Japan national team against New Zealand. She was a member of Japan for 2014 Asian Cup and 2014 Asian Games. Japan won the championship at Asian Cup and the 2nd place at Asian Games. In 2018, she played at 2018 Asian Cup and Japan won their second consecutive title. She played 20 games for Japan until 2019.