

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.
Murdered by a demonic being, 15-year-old Yuji Sakai has his life force replaced by a flame that dims with each day. When the flame dies, no one will remember he was ever alive. This is how he meets Shana: a warrior with a burning sword, and the will of a god as her guide. The two form a bond as Yuji becomes Shana’s accomplice in her battles to keep the balance between the ordinary world and hers.