The reason to wake up

The dear home...the dear place to you, the orphanage named Grand Valley from where you move to Grace field house. Here new mother Isabella, new family and new friends. What can be better for a 11 years old orphan? How could you react when find out about truth, what here you not a human you just a livestock for monsters who wish to taste your brain and eat this while drinking some wine. Try escape, will you find Minerva? You survive or die? What the afterlife world and what is hiding beind curtains of death?
Authors of tpn: Posuka Demizu, Kaiu Shirai