Tamaki Suoh had to leave his mother at a very young age. He left and went to Japan with his father to save her. What they didn't know, was that his mother was pregnant with another child. Yuzuru Suoh's child. Tamaki's biological little sister. Jessalyn de Grantaine is the little girl that lives in France with her mother. As her mother is a piano teacher and her brother is a gifted musical student, piano playing runs through her blood. She is a magnificent piano player, as well as violin and flute. One day, Yuzuru gains wind of Jessalyn's existence. And this is where her story begins...