Born in 1986, Satomi began acting professionally in 2003 at age 17 and has not looked back since. Satomi began her acting career in 2003 when she starred in the drama Kimi wa petto (2003), starring Jun Matsumoto and Koyuki. She has devoted equal time to television serials and the world of movies and in the process won several awards such as Best Actress at both the 27th Japan Academy Prize and 46th Blue Ribbon Awards for My Grandpa.