They arrive in silence and darkness.
Shin is battling for control of his own body against an alien parasite, but can he find a way to warn humanity of the horrors to come?.
So no one knows their secret—except an ordinary high school student.
But most have chosen to conceal their lethal purpose behind ordinary human faces.
And once they have infected their victims, they can assume any deadly form they choose: monsters with giant teeth, winged demons, creatures with blades for hands.
They are parasites, alien creatures who must invade—and take control of—a human host to survive.
They are everywhere.
They have a hunger for human flesh.
They descend from the skies.
They arrive in silence and darkness