Yuji Sakai, the Mystes carrying the Treasure Tool Midnight Lost Child, and the Flame Haze Shana keep fighting Crimson Denizens in Misaki City. A new transfer student named Fumina Konoe arrives bearing an uncanny resemblance to Hecate of Bal Masqué and quickly attaches herself to Yuji, sharpening the rivalry between Shana and Kazumi Yoshida for his attention. Meanwhile, Bal Masqué sets a new plan in motion that targets Yuji directly. This second season continues from the events of the first.