Sone started Judo at the age of 7, following her three brothers.[2][3] In April 2013, she went on to Tanushimaru Junior High School.[2][3] In August 2015, Sone won the World Judo Championships Cadets and the National Junior High School Championships.[2][3] In April 2016, she began studying at Nanchiku High School.[2][3] In March 2017, she won the National High School Championships.[2][3] She won the Inter-High School Championships in August 2017.[2][3] In October 2017, Sone won the World Judo Championships Juniors(+78 kg weight class).[5] In April 2018, she won the All-Japan Judo Championships.[6] In August 2018, Sone won the Asian Games.[7]