Brigade of the Burst Flame. Vol. 1: manga

Tokyo suffers from a deadly phenomenon - a spontaneous fire of people! Fortunately, there is a special team to extinguish hell. Firefighters from a special brigade number eight receive a unique new soldier - a boy Sinra, who has the ability to move at the speed of the rocket, leaving behind the famous "traces of the devil". Will Sinra and his colleagues find the source of this strange epidemic before the city burns to the ground?
What began as a simple competition turned into a struggle not for life, but for death! The mysterious character prevented the newcomers tournament because of Sinra! Does the Joker really know the truth about the fire that took the Sinra family twelve years ago? And is Sinra is still going to be a hero or will a shocking revelation seduce him to become a real devil?