The Zone is changing: new routes, more frequent emissions, more mutants everywhere, and growing Monolith. Yet, the more things change, the more they stay the same. That is, until they found her. They call her the 'Marked One', and this is the story of the stalker who would change the Zone forever.

Jim has been transferred from a field station to Academy City as an Anti-Skill cadet. His school life and job bring him into contact with many people, like a certain Lv5 esper or an ashen-haired magician. This is the story of a regular pair of boots on the ground in a city filled with powerful magic and espers. However, Jim also has his own past to answer. (Raildex Rewrite. OC AU)