Known primarily as a voice actress for a series of massive anime hits in Japan, Aya Hirano carved out a small side career as a singer, as many successful voice actresses have. Though providing voices since 2001 (and performing briefly in an under-15 idol group), Hirano didn't begin singing regularly until 2006, reeling off a series of fairly successful hits in the voices of the characters she portrayed on television. With a string of nine such "character songs", she took the next step -- music not done "by" a character in an anime series, but music simply used for an anime ser...