Swedish music artist, songwriter, producer and arranger of Japanese descent, born 5 May 1980 in Sollentuna, Stockholm County.

She was born and raised in Sollentuna. She went from 1997 to 1999 at the high school Rudbecksskolan in Sollentuna, with a focus on music. She spent six months in India volunteering at Little Lambs School, which was started by a Swede. She became known through Annika Norlin's band Hello Saferide where she is a choir singer. Her solo career began in early 2007 with the song And I Found This Boy. The single was followed by the debut album Though, I'm Just Me and the single Gothenburg. During the summer of 2007, she toured around Sweden, with gigs at, among others, Allsång at Skansen, the Hultsfred Festival, Peace & Love and the Arvika Festival.

In 2008, she performed at the finals of the Melodifestivalen in Globen with a cover of The Ark's The Worrying Kind, the winning song from the year before.

In 2016 came Hirasawa's first album with lyrics in Swedish, Vacker och ful.