She was vocalist and lyricist of day after tomorrow (sung one of the ED of Inuyasha "Itazurana Kiss"), a band that disbanded on 2008.
On July 16, 2017, Misono married Nosuke, who is the drummer for Japanese rock band HighsidE.
After being hospitalized from March 29 to April 5, 2019, due to an unknown illness, it was revealed that Misono had been diagnosed with Ménière's disease in October 2019.
Blood type: B.
She has retired from the entertainment industry and started a YouTube channel on October 2018.