Kaijin Fugeki: Kindled Spirits Volume 4

Two British soldiers are found immolated on a bus in the midst of a mysterious magic circle. Deciding this was an act of terrorism against the crown, Gao decides to blow up the entire bus depot, and Mr. Hirano comes under suspicion…but they all have bigger fish to fry when the Sparks, inadvertently given access to the town by Miyo's carelessness, let their arsonous instincts run wild!