Dive into the mysterious world of Unknown 9 and uncover hidden mysteries. You are Haroona, a Quaestor born with the ability to access a mysterious dimension parallel to ours, known as the Backside. In her journey to discover powerful hidden knowledge, Haroona will learn to master her connection with the Backside, allowing her to use her powers in our world. But such powers will not remain hidden, and Haroona will soon become a target for a secret society known as the Ascendants, who intend to use the Backside to alter the course of human history.