In September 2012, when Sugita was 15 years old, she was selected the Japan U-17 national team for 2012 U-17 Women's World Cup. She played all 4 matches and scored 2 goals. In 2013, she played at 2013 AFC U-16 Women's Championship and Japan won the champions for 2 championship in a row. She also scored 6 goals and was selected MVP award. In 2014, she was selected the U-17 Japan for 2014 U-17 Women's World Cup. She played 5 matches as captain and scored 5 goals. Japan won the champions first time. She was also selected Golden Ball (MVP) award. In November 2016, she was selected the Japan U-20 national team for 2016 U-20 Women's World Cup. She played all 6 matches and Japan won the 3rd place. She was also selected Golden Ball award.