[3][4] Her older brother, Genta Tanaka [ja], placed second in the over 100 kg division at the 2015 World Judo Juniors Championships.

[3][4] After entering International Pacific University in 2017, she was coached by Toshihiko Koga, a gold medalist at the Barcelona Olympics.

[4] In 2018, she won the gold medal in the mixed team event at the Asian Games held in Jakarta, Indonesia.

[1] In 2019, she won the gold medal in the women's –70 kg event at the Asian-Pacific Judo Championships held in Fujairah, United Arab Emirates.

[5] Then, she won the gold medal in the women's middleweight (–70 kg) event at the 2019 Summer Universiade held in Naples, Italy.