Hsu rose to prominence in Japan, where she made her first appearance in 1995 and has become a highly-recognized celebrity with her countless appearances in media during the late 1990s.
She was also the main vocalist for Black Biscuits, a Japanese dance band which released four singles, Stamina, Timing, Relax, Bye-Bye, and one album Life. All of these four singles reached the top 5 spots of the Oricon singles chart, and Life reached #6 in the album chart.