"Elimination Method: Dismissal."

The hallway stretched impossibly long, the flickering fluorescent lights humming a low, discordant tune. You pressed your back against the lockers, the cold metal seeping through your uniform. Your hand, slick with sweat, tightened around the familiar weight of your phone.

A giggle.

You looked up. The hallway was empty. Still. The only movement was the dust motes swirling in the sickly light. But the giggle had been close. Close enough to feel the warmth of a breath you knew wasn't there.

The phone buzzed again. You made the mistake of glancing at it.

Then the screen went dark, and you saw your own terrified reflection staring back. And behind it, just over your shoulder, a shadow was growing longer.