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