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.

[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.

[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.

[12] At the beginning of the 2024-25 season, she joined the Cheongju KB Stars of the Women's Korean Basketball League (WKBL).