The father of Final Fantasy, Hironobu Sakaguchi, and the renowned composer Nobuo Uematsu return to deliver an original RPG story. Mechteria, a deadly mechanical infection that robs people of their emotions and lives, is slowly consuming the world. The protagonist, Leo, awakens with only a single memory in a foreign land populated by machines. The human world is threatened by Mechteria, a machine world full of secrets and the invisible dimensions that lie beyond both. With the help of a left-behind warp device, Leo must embark on an interdimensional journey to regain his lost memories and save the world from the Mechteria infection.