Avery & Aiden

There's a girl named Avery, she was a kind and smart girl. one day, her village was destroyed by a group of wild monster called kaori. All of the villagers died and only she and a boy, Aiden that survived. After the tragedy they left their village and went to a town called as the crystal town. There it was peaceful and save. The town was called as the crystal town because there's a lot of crystals in that place. That town was protected by a powerful spell that came from a crystal. No monster can go inside that town. But because of an earthquake the crystal broke. What will happen to the town? What will the people do? and What will happen to Avery and Aiden?