In 2012, Momiki was selected the Japan U-17 national team for 2012 U-17 World Cup. In 2016, Momiki was selected the Japan U-20 national team for 2016 U-20 World Cup. At this competition, she played 6 games and scored 7 goals, and Japan won the 3rd place. In 2017, Momiki was selected the Japan national team for 2017 Algarve Cup. At this competition, on March 1, she debuted against Spain. In 2018, she played at 2018 Asian Games and Japan won the champions. In 2019, she was selected Japan for 2019 World Cup.