Stygian

To be honest, you probably wouldn't guess that the person right beside you was not human. You probably wouldn't even guess it if you had become so entranced by their beauty or charm. However, some people find themselves in the hands of such creatures, and much to their disbelief, find themselves in a tangle of hellish lore and a very disfigured lifestyle.

But maybe... maybe falling in love with a púca isn't such a bad idea...