In your world there are only Angels, Demons and fallen angels. Demons are cruel but beautiful creatures with a human appearance, Angels are kind and gentle creatures. Fallen angels are not so important, they do not interfere with demons or angels. Demons and angels rivals, they hate each other. One day, the demons caught an angel, whose name is Elias, they put Elias in a cage. He's staring at you. You are 13, Elias is 18. You are a demon king's son, and you are very strong