Nagata started playing basketball at Sasebo City Kasuga Elementary School.[1] She finished in the top 4 in Nagasaki Prefecture when she was at Sasebo City Shimizu Junior High School. She entered Nagasaki City Nagasaki Commercial High School and was selected as a candidate for the Japan Women's U-18 National Team in her third year in 2015. In high school, she participated in the National Sports Festival in her second and third years, but was unable to in the All Japan high school sports or the national high school basketball championship (Winter Cup). She entered Tokyo Healthcare University in 2018, and in her third year was selected to represent Japan B at the Asian Games, where she won a bronze medal. In her fourth year as captain, she won three intercollegiate championships in a row and was selected as MVP for two consecutive years.[3]
In 2019, when she was in the same fourth year, she participated in the 3x3 U-23 World Cup as a member of the U-23 3x3 Women's Japan National Team and won the gold medal. The victory in this tournament is the first time that a Japanese team has won a world championship in all categories, male and female.[2] In 2020, she received the Nagasaki Prefecture Sports Special Award.[4]
In 2020, Nagata joined the Toyota Motor Antelopes as an early entry.[5] She was a backup player for two seasons, 2020-21 and 2021-22, helping the team win the playoffs two years in a row. In August 2021, Nagata was selected as a candidate for the Japanese national team.[6]
Wanting to play more games, she moved to Denso Iris in 2022.[7][8] Denso Iris finished first in the 2022-23 regular season (Nagata played in all of 26 games) but lost to Eneos Sunflowers in the playoff semi-finals.[9][10] Denso Iris finished second in the 2023-24 regular season (played in 18 of 26 games) and won the playoff semi-finals beating Eneos Sunflowers to advance to the finals, but lost to Fujitsu Red Wave and were runners-up.[11][10]
Nagata left Denso Iris at the end of the 2023-24 season.[12] At the beginning of the 2024-25 season, she joined the Cheongju KB Stars of the Women's Korean Basketball League (WKBL).[13]
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Japanese
