In 1986, she debuted as Miki Kawashima with the single Silk no Kuchibiru under CBS Sony label.
Three years, she debuted as Daria Kawashima with the single Shiny Day under the Zain Records label.
Since joining the Being agency, Kawashima has composed and wrote several songs for artists like Zard and Deen.
In 1992, she composed Moonlight Densetsu under the alias of Tetsuya Komuro, presumably inspired by the legendary songwriter of the same name.
[2] During her solo career as Daria Kawashima she released four singles, 2 studio, 1 digital and 1 compilation album.