[It is a good thing Hyoubu dear decides not to follow the physical inspection route for the time being, otherwise he'd have a very distressed angel in his hands.]

F-Fire Department. Oh my, do you use magic for that? Isn't that...potentially unsafe, sir?

[Mister Hyoubu is very obviously a magician and therefore highly suspicious. He may, after all, consort with demons. In fact, considering his villainous puns he most certainly does. Though to be fair, Kevin still remembers the Great Fire of London, and cannot help but feel some respect for the stranger's alleged profession.

However, he has no time for internal conflicts:]

...Besides, there were no flaming spears.

[Clearly, the solutions is to deny the obvious until the very end.]