You can take a step - just a step - and find yourself in another world. In a world ruled by the Great Houses of Fire, Stone, Sky and Water, in which ancient gods still live, and the highest of arts is the deadly skill of dueling warriors who have long resolved disputes between the Dukes of the Houses. Where once a young man who grew up in our world appeared! A young warrior, Promised by an ancient prophecy to the people of the world - and hated by the gods fighting for power. And now the gods are striking back... Now a monstrous wolf-monster sent by the gods is bringing death and destruction to our world... Now a new battle begins. The battle for possession of the seven keys of power - the Seven Magical Gems. For the one who brings together all the Seven will win the war between people and gods...