The world of Daellia is unknown to the people of earth, though it can be entered through a gate. So far no one has been able to open it and so Daellia is no more than a legend. Yet on Daellia earth is not just a legend, their Princess of Legend has been stolen from them and peace is being drowned by war.

For every 100 years, a special girl is blessed to be chosen to become the Princess of Legend. The last Princess had been murdered by an unknown evil and so a new girl was chosen. But recently, she has been stolen and the people of Daellia are doomed. The evil elven sorceress Paiseas, has begun to take her revenge upon the world, for she had desired to become to Princess of Legend. So the 4 muses of the season and others of Daellia plan to enter through the gate to earth, to find the 10 legendary seals, they are know as the Gate Keepers.

Meanwhile on earth, it�s the year 2098; a young girl is torn from her desperate life and wishes to end it. Throughout her life she has been sent horrifying visions she cannot begin to understand. But meeting 10 people that share the same destiny as her saves her...