After accidentally and likely permanently injuring her abusive neighbor with her unworldly abilities, Gray abandons all pretense of being the quiet, secretive hometown girl she once was. Dressing up as a deceased boy, she starts a crime rampage that shakes the world, and leaves traces to stun and haunt those who wronged her. Earning the nickname "Phantom", she continues this spree for two years... Until a teleporting screw up lands her on a planet very different from Earth. Now she's stuck between the galactic military and a group of space villains so nasty, they make Gray look pink. Worst of all, she's stuck with the most prestigious, talented officer in the universe. And he's on the hunt for ghosts like her.