久以前，在维多利亚岛上有一棵维护世界和平和秩序的世界树，但是邪恶组织“扎塔团”打算据为己有，此时以人族为中心(阿鲁的父亲格兰迪)，以及其它4部族都站起来反抗。

　　但是，扎塔团的猛烈进攻使得岛民们迎来了最大的危机。世界树为了保护身体而自己破裂，此刻放出了像凤仙花一样的种子。各族的部分居民从维多利亚岛移居到了枫之岛。但是，其他部族都怀疑世界树的破坏与人类有关，于是人族被赶走了。而且各部族之间的斗争也不断。

　　那是10年前的事了。而现在，以阿鲁为中心，大家开始了寻找世界树之种，并让世界树复活的旅行。而扎塔团也再次盯上了他们。

Ten years ago, the World Tree that protected peace and order of the world was being targeted by an evil organization called the Zakum. The Human race led four other races: the brave warriors, the intelligent magicians, the agile archers and the sly thieves in a fight against the Zakums. In the end, the World Tree activated self-destruction to protect itself. However, the other races thought it was the Human race that destroyed the World Tree. When the World Tree was destroyed most of the races had nothing left, so a number of them went to Maple Island thinking the ones who stayed would die. They escaped Victoria and lived on Maple Island where living is getting harder and harder. Since then, a never-ending war between the different races began.

Ten years later, the main protagonist, Al, is determined to revive the World Tree. Al and his companions begin their journey to seek the seeds of the World Tree. At the same time, the Zakums reappear…