Drabble Post - Outdated (AnE)

This is one of my "leftover" drabbles. I started it in the big flood of drabbles and shorts I did for Christmas exchanges last year. But, it wouldn't come together then, so it got put on the backburner. Anyway, ever wondered why most of the demon kings in AnE look a bit behind the times? Set in a probably distant future.

( Outdated (Ao no/Blue Exorcist) )