The Faceless One

In a world in which mankind must live inside a giant barrier field, to survive the natural disaster forces known as monsters. Where mankind is divided into nobility and common people. Lives Ronandt, a young noble who, despite his noble origins, has only met his parents once, at his birth. How could he have remembered such a thing? He was just born with the consciousness of an adult. He was aware that he had reincarnated, but he had no recollection of who he was prior to the reincarnation.