In 2003, she began vocal and dance lessons simultaneously.
She had her first live performance at 15 at the MIDEM 2005 International Music Conference where she was discovered by a sports magazine.
On October 24, 2006, Satomi released "Heartbreaker" single in the UK with simultaneous releases in the UK and Japan iTunes stores.
The single reached the Top 10 in the R&B and comprehensive charts.
She debuted in Japan with the double A-side single "Yesterday/Love to stay" on February 8, 2006.