With the return of her childhood friend, Hideki, the ordinary life Sakura knew was no longer the same. What she believed to have been a mythical story of swords and elemental powers turned out to be real and involves her very own self, yet she has so little understanding of it. And the fact that Hideki has become so cold and secretive is not helping at all. What is Hideki hiding? What are those elemental powers about? And how will Sakura & Hideki's path unfold, meeting fellow power holders?