Since childhood, Melodie, half-Russian, half-Japanese, adores and excels in sports, to such an extent that her father, a powerful Russian man, financed a high school (Kitagawa Gakuen) at Japan just to maintain a multisport club. She and 4 of these friends who were part of Corazon (a special program to represent the whole world in the multisport section of the Olympics) to go to Kitagawa Gakuen.