"Agrandissement! Sugar Sugar Rune! Choco Rune! Your Heart is mine!" To determine who will be the next Queen of the Magical World, two little witches arrive in the Human World—best friends and rivals, Chocolat and Vanilla. While enrolled at Moegi Private Academy, they compete to see who can collect the most human Hearts. However, Chocolat becomes infatuated with the mysterious boy Pierre... Will Chocolat be able to hold onto her only Heart?