In an expedition to the ruins of a forgotten civilization, Dr. Valentine and Engineer Agnis discover an Ancient Artifact that is the container of great source of energy. Thanks to this discovery, Valentine And Agnis used the Artifact to create new technologies to improve humanity.
But a Phantom from the past started to move again and generate chaos in the World. From this chaos came a faction that wanted to weaponize the Artifact - the Ocular Force.
In one of their attacks on the laboratory of Valentine and Agnis, Ocular Force succeed in stealing a small piece of the Artifact. Unfortunately, in that attack Agnis also lost her life, leaving her daughter Josephine alone in the world.
Valentine decided to adopt the daughter of her friend and complete the work of Agnis - a set of combat armor for Josephine, so she could defend herself, and the future.