She'd have to looking into a reflective surface - do demons have smooth, really shiny chests? - to have the glow of her eyes show in the big mirror. Or have her head turned a lot more around than it is.
On the other hand, I can see why you included it. I don't expect perfection, anyway. Plus, I couldn't draw this well to save my life.
The story is so interesting. This chick is a major league breast girl, isn't she? We've seen this from a different perspective, and at a different time, place, and breast-massager.