"They thought it was an outbreak.
But something answered when they screamed."

In the shadow of Mount Shiro, Shikano High stands silent—until something ancient awakens beneath its foundations.

When a routine school day is shattered by violent screams and the sudden collapse of several students, panic spreads like wildfire. But this isn’t a virus. The afflicted rise again—twisted, hungry, and impossibly strong. What once were friends and classmates now move with the will of something else.

As the survivors barricade themselves in classrooms and science labs, they discover disturbing clues—runes carved into old walls, pages of a forbidden text hidden in the library basement, and rumors of a forgotten ritual known only as “The Revival.” Whatever was sealed beneath the school was never meant to wake.

Now, time is unraveling. Reality bends. And as their numbers dwindle, the remaining students must piece together the dark history of Shikano High before the seal fully breaks and all of Japan is consumed.

Because this revival...