Alice looked at the male. "Isn't it clear with wings, tail and ears that I am a demon? You, my dear, are breaking the rules." She put the paper down on the ground along with the pen. "The catch is very simple. We like playing games at night and once you sign you need to play until die or graduate. Of course you get to keep your power even after you leave the school." She did not mention that people rarely graduate once they made a contract.