In Tokyo in 198, the solar calendar, a supernatural battle is quietly unfolding.Faced with a mysterious disaster called "spontaneous combustion phenomenon of human body", the special fire brigade is striving to fight against the burning bodies that were swallowed by flames and turned into a living hell - the "Flame Man".The first flame man appeared was the first victim of spontaneous combustion, but with the evolution, the subsequent generations of flame man actually had the ability to control flames while retaining the appearance of a human being. In this battle against the flames, the young Kamihara shinra, known as the "Devil's Footprint" for being able to ignite his feet at any time, joins the Eighth Special Fire Brigade - an elite team of people with flame abilities.Their mission is not only to extinguish the raging flames, but also to protect the city's last hope. However, when a force that secretly created the flames gradually surfaced, Shinra also began to uncover a secret that had been covered with twelve years.Behind the mysterious fire that took his family's life, the hidden truth is emerging little by little...