Enn Enn no Shouboutai

Terror has paralyzed the clockwork metropolis of Tokyo! Possessed by demons, people have begun to burst into flame, leading to the establishment of a special firefighting team: the Fire Force, ready to roll on a moment's notice to fight spontaneous combustion anywhere it might break out. Can the Fire Force discover the source of this strange phenomenon and put a stop to it? Or will the city burn to ashes first? Source: Kodansha