Inoue made her debut as a voice actress and singer after she was chosen out of 2,000 people from the "Gonna be a star" auditions (hosted by Sony Music Entertainment Japan) for the title role in the OVA Le Portrait de Petit Cossette.
Inoue membuat debutnya sebagai aktris dan penyanyi suara setelah dia dipilih dari 2.000 orang dari audisi "Gonna be a star" (dipandu oleh Sony Music Entertainment Japan) untuk peran judul di OVA Le Portrait de Petit Cossette.