Long ago, there lived a man and a woman.They were supposed to be mortal enemies, for the woman was the princess of the ninja rebellion,and the man was the top general of the samurais.Yet they fell in love.They were secretly married. They had twins a boy named, Ty and a girl named, May, but soon after the twins were born they began fighting.The mother took the twins this story takes place when the twins turn 13.They have been trained as ninjas and will soon graduate from the academy.