Odd Mates

One more drawing started some months ago that I took time to finish. It's been a long time I haven't drawn fiends and I barely draw any school girls. This was first inspired when I read and watched Blue Exorcist (or Ao no exorcist), I particulary loved how was depicted friendship between humans and demons. I imagined her as an apprentice exorcist who is able to summon a fiend just like Shiemi or Izumo but a demon totally out off control and loving cheating on her.
It's really fun to make creatures with crazy expression and absurd anatomy (though I think I haven't went far enough).
I tried to design the girl both in a simple and unsual way, for her hairstyle for example. I had also a very tiny inspiration from Aya of Tenjou Tenge (Enfer et Paradis in french), I liked how she wore her loose socks.

Once more, I'm not sure about their names, ideas are welcome.