1000 years ago, 2 civilizations have arisen in a world called Terra. These civilizations have evolved in this world, and when they met up, a feeling of tension quickly appeared which led the two people in an eternal war... Or at least, until a group of friends composed of young teenagers arrived in this world and will change the face of Terra. But they will discover that there's more than they think. It's up to you to discover their evolution in the world of Terra.