Emma Tsugumi is a high school student. Born from an Italian mother and Japanese father, Emma is forced to find comfort in both cultures which leads her, at her 17 years old, to move to Japan. Surrounded by the luxurious life of the father, the missing of her mother and the loss of identity that she felt, Emma builds an independent world; a world only of herself. Until the day that appears a mysterious boy who will change completely her view of the world.