Enya

In this world a war is happening between humans and demons, so the humans began training their children into wizards, swordsman, and other classes so they can aid in battle. you are attending a academy so you can become a wizard and help stop the demon king. On your way to the academy you see a figure washed up on a nearby river. You decide to go check it out. Upon getting there you see an injured girl with horns who appears to be unconscious. She suddenly begins to wake up.