What's A Mate?

Meet Summer the shy new girl at school. Forced to move from her childhood home where her mother was brutally murdered when she was two. After reluctantly moving from the last piece of memory of her mother her father gets a new job with a lot of traveling. She soon realizes that the people at the school are different especially a mysterious boy who suddenly starts taking interest in her. Will she find out the school's secret? And why do people keep calling her human?