Junior Kajita made her international debut at the
2014 WOGA Classic and placed eighth in the all-around with a score of 51.850. She placed sixth on the floor exercise at the 2014 All-Japan Event Championships. In 2015, Kajita competed again at the
WOGA Classic where she won the silver medal in the all-around behind American
Elena Arenas. She placed seventh on the uneven bars at the Japanese Event Championships. At the Junior Japan International in
Yokohama, she finished fourth on the uneven bars with a score of 13.666.
Senior 2016-2017 Kajita made her senior international debut at the
2016 WOGA Classic where she won the all-around gold medal with a total score of 55.650. At the International Gymnix in
Montreal, she tied for the bronze medal on the balance beam with
Eythora Thorsdottir. She placed fourteenth in the all-around at the All-Japan Championships. She competed at the
Pacific Rim Gymnastics Championships with
Kiko Kuwajima,
Mana Oguchi,
Soyoka Hanawa, and
Natsumi Hanashima, and they placed fourth behind the United States, Canada, and Australia. Individually, Kajita won the bronze medal in the all-around behind
Simone Biles and
Aly Raisman. In the event finals, she placed eighth on the uneven bars and fourth on the floor exercise, and she won the bronze medal on the balance beam behind
Ragan Smith and Raisman. At the NHK Trophy, she placed ninth in the all-around. Kajita competed at the 2017 WOGA Classic and tied for third in the all-around with Natsumi Hanashima. She also placed third in the all-around at the All-Japan Championships behind
Mai Murakami and
Aiko Sugihara.
2018-2019 At the
2018 Stuttgart World Cup, Kajita placed seventh in the all-around. Then at the Doha World Cup, she placed seventh on the uneven bars, sixth on the balance beam, and eighth on the floor exercise. She won the bronze medal on the uneven bars and the floor exercise at the All-Japan Event Championships. She was selected to compete at the
2018 World Championships alongside
Hitomi Hatakeda, Mai Murakami, Aiko Sugihara, and
Asuka Teramoto. They finished sixth in the qualification round and qualified for the team final where they once again finished sixth. She then competed at the Cottbus World Cup, but she did not qualify for any event finals. At the 2019 WOGA Classic, Kajita tied for the silver medal in the all-around with
Sloane Blakely. She then competed at the
Birmingham World Cup where she finished eighth in the all-around. She finished seventh in the all-around at the 2019 NHK Trophy and was then named to the
2019 World Championships team. She tied for the all-around gold medal with
Yuki Uchiyama at the All-Japan Student Championships. At the 2019 World Championships, the Japanese team of Kajita, Hitomi Hatakeda,
Akari Matsumura, Aiko Sugihara, and Asuka Teramoto placed eleventh and
qualified for the 2020 Olympic Games. ==References==