She was one of the vocalists of the FictionJunction project started by Yuki Kajiura, and is a core member of the vocal group Kalafina.

She is currently signed with Victor Entertainment with a solo career, having released two albums and an EP that have charted on Oricon.

[2] She sang "Paradise Regained" (an insert song for El Cazador de la Bruja) and in the Pandora Hearts soundtrack.

In 2007, she and FictionJunction colleague Keiko joined Kajiura's new vocal group Kalafina, which was put together to sing the theme songs for The Garden of Sinners film series.

[5][6] On April 24, 2021, she held her solo concert Wakana Spring Live 2020 ~ magic moment ~ in Ōtemachi to promote the album.