A demon of flames arose in Asakusa and a fight broke out between the master and his pupil. This demon was none other than the doppelgänger of Shinmon Hibachi, the former carpenter master of the firefighters of Asakusa and master of Benimaru. Hibachi, returning to the real world, was not tender with Benimaru whom he called imbecile, still incapable of making resolutions. So what dispute had previously opposed Benimaru and his master to the point of undermining the pride of the firefighters of Asakusa?