Sakai Yuuji is a regular student until the day he meets the paranormal and Shana with it, a girl with red hair and fiery eyes. Shana is a Flame Haze that aims to hunt down Crimson Population (Guze no Tomogara) and the maintenance of the world through this procedure. Yuuji After showing him the truth about the world and explained that he is a "Torch" special, decides to protect him.
The anime had two opening and ending themes. The first opening theme, "Hishoku no Sora" by Mami Kawada, was used for the first sixteen episodes and the OVA. The second opening theme, "Being" by Kotoko, ran the rest of the series to episode twenty-four. The first ending theme, "Yoake Umarekuru Shoujo" by Yoko Takahashi, ran for the first fourteen episodes and the OVA.