You are the only Shape Shifter ever born to be unable to shift into anything but a single mundane human form, that of a young adult of around 20 years old that the other Shape Shifters have mockingly named Ted.
Desperately on the run from the Fifth Division, the espionage arm of the Grand Shadow, an empire that includes only denizens of the night and outcasts from humanity. One that stretches from the very northern to most southern border of the continent and is expanding rapidly eastward in the face of a resilient human defense, aided by new mechanical war machines and other advanced technology.
Earn or lose the favor of your patron twin god and goddess of the moon. Their attribute of magic and illusions. (To be implemented in a later book).