A young girl's world is ripped apart at the age of five when hunters kill her parents. She struggles through her life until she was put into a school for the first time when she is sixteen. She slips her way through the school year, trying her best to hide her secret. But it is uncovered rather quickly by none other than the school's biggest bully. Will he spread her secret? Or will he help to protect her against those who wish to kill her?

Ever since an event known as the Disaster, monsters and mayhem rule the world. There are those lucky enough to live inside the Fence, while those who don't, are treated little better than the beasts that they fear.