It was a normal day in the life of Sakai Yūji, a 15 year-old highschool student, but then all of a sudden his life changed. When a Monster called "Guze no Tomogara" attacks him and everyone around him, turning them into blue flames and consuming them, Yūji's life gets saved by the Flame-Haired Burning-Eyed Hunter. A girl in a black coat, flaming red hair and a long sword, whom he would later name Shana. Confused and seeking answers Yūji follows the girl and finds out the harsh truth about everything around him.

The battle between Margery Daw and Shana has finally begun while the fate of the entire city rests in the balance. What can Yuuji do to help Shana victor the battle?

When Yuji doesn't come home after school on the day of the festival, his mother and Shana go to the festival to look for him but before long another Denizen shows itself. Also, Kazumi discovers the truth that Yuji is indeed a Torch.