Nozomi Mine is a girl who was born in a hospital, but unfortunately, her identity was changed by a evil nurse named Nohara Michiko. which made her destined to be adopted into a poor family.

Upon turning 16, she moves to a new school, when she meets another girl, more popular than her named Koda Miki.

Nozomi discovers her talent as a singer when she composes a song called "Kokoro no Uta", which enchants her class. but it makes Miki jealous.

One day, she was returning to her house when she was almost run over by a luxurious car and discovered the mysterious owner: Moryama Fanni, who she ends up falling in love with at first sight.

Her cruel fate causes several incidents to prevent her from being happy, until one day she meets a mysterious teacher, Egawa, who will teach her how to be a real singer.

Throughout the series, Nozomi fights to become Japan's first successful singer to help her family.