**“DON’T LET THEM OPEN THE MOON.”**

Seventeen-year-old Eli stared at his phone, confused. A second later, the power returned to normal like nothing had happened. Social media exploded with theories. Some people called it a prank, others blamed hackers, but by morning the government claimed no message had ever appeared at all.

That should have been the end of it.

But the next night, Eli heard tapping outside his apartment window on the fifteenth floor.

Tap. Tap. Tap.

He slowly pulled back the curtain and nearly screamed. A girl around his age was standing outside in the air as if gravity did not exist. Her silver jacket shimmered under the moonlight, and strange symbols glowed across her b

“You saw the message,” she said