On August 13, 2003, she released her first single, "22 Sai no Watashi," which means "Me, 22 years old," just a few days after her 22nd birthday.
Pada 13 Agustus 2003, ia merilis singel pertamanya, "22 Sai no Watashi," yang artinya "Aku berusia 22 tahun," tepat beberapa hari setelah ulang tahunnya ke-22.