Okazaki made her debut as a singer-songwriter in 1993. During the nineties, she continued singing and also wrote songs for seiyus.
From 2000, she became more involved with anime and composed several songs for Wedding Peach, Fruits Basket and Love Hina. She formed the duo, Melocure in 2002 with singer-songwriter Megumi Hinata.
In the following two years, the duo released several singles and an album, Melodic Hard Cure. Okazaki also produced songs during these years for artists such as Megumi Hayashibara, Mayumi Iizuka, and Yui Horie.
Quatro anos de trabalho duro!Neste mês de maio fizemos quatro anos no ar. Continuamos trabalhando na divulgação deste maravilhoso instrumento, obrigado por participar da nossa história!