Devil Girl: Forgotten (The Somnopolis Saga: Part 3)

Bernice Deville and her brother, Jack, now live in a world torn apart by a mysterious virus. The virus attacks its host's memories and has now infected the majority of the world's population, including Jack. Bernice now finds herself searching for a cure as she takes care of her helpless brother and fights for their survival in a dangerous new world that grows more chaotic with every sunset.