Wakeshima has played the cello since she was three years old [4] and began playing in string ensembles in middle school. By the age of fifteen she had participated in a number of joint concerts and classical music performances. She began to write her own music towards the end of middle school and performed as a vocalist for the first time in senior high school.

She attended an audition at Sony Music Entertainment and passed, signing a deal with Sony's DefSTAR Records.

She is produced by Mana [1] and debuted with her first single, "Still Doll", on May 28th, 2008. "Still Doll" was used as the ending theme for the anime Vampire Knight.[2]

Wakeshima has also provided the voice for the maid in episode eight of Vampire Knight [3], and the ending theme for the second season, Suna no Oshiro (砂のお城, Suna no Oshiro?

Wakeshima has cited musical artists such as Jacqueline du Pré, Emilie Simon, Claude Debussy and Erik Satie as musical influences and favourite artists. Her producer Mana described "Still Doll" as "ambient, French and electronica" in his blog.[citation needed]

She originally played the cello in classical ensembles, beginning in the baroque section of a classical concert at fifteen, and began to perform as a singer-cellist at the age of sixteen. [4]
Wakeshima has stated that she had not originally planned to use the cello as an accompaniment but decided to when she recorded her demo tape, after experimenting with the piano. She originally recorded vocal and cello parts separately and layered them, but later learned to play and sing simultaneously