She had stated that her role model growing up was fellow Japanese forward Mana Iwabuchi[3][4] She joined Tokyo Verdy Beleza youth team in 2012.

[20] Later that year, Ueki was named to Japan's squad for the 2019 FIFA Women's World Cup; however, she was forced to withdraw due to injury on 31 May.

[21][22] Ueki experienced a breakout year with the national team in 2022, as she began to establish herself as a starting striker and finished the 2022 AFC Women's Asian Cup as Japan's top scorer with five goals, and joint second-highest goalscorer of the tournament as a whole.

[24] On July 31, 2023, Ueki scored in Japan's 2023 FIFA Women's World Cup Group C Round 3 match against Spain.

[25] One of Ueki's main hobbies is reading manga, also known as Japanese comics or graphic novels, and she revealed that she has a collection of over 1000 copies of such books at home.

[26] She was even invited to make a cameo appearance in a television drama adaptation of the manga series Shiyakusho that aired on TV Tokyo from October to December 2019.