In the year 1999, Tokyo has become a battleground as the Seven Dragons of Earth and the Seven Dragons of Heaven fight to determine the fate of the world. The one with the power to decide which way the battle will go is a youth named Kamui Shirou. Will he join the Dragons of Earth and preserve the planet by ending human life, or become a Dragon of Heaven and protect humanity from ruin? The fate of all mankind lies on Kamui's unwilling shoulders as both sides clash to gain dominance. The Dragons on both sides are individuals gifted with superpowers and fated to participate in this final battle, but what end will Kamui choose?
STN is a secret organization charged with capturing witches of all ages who misuse their inate ability of the Craft. Its newest recruit is a young girl named Robin, who wields the same power that she is helping to control. While skillful at their ability to detain quickly, the number of witches keeps seeming to increase, and the misuse of power grows stronger, casting a shadow of doubt as to what is really going on. For STN, there is much work ahead, and for Robin, her troubles are just beginning...