A long time ago... There was a string of "strange beads" in the underworld. There are seven beads in this string, and each one represents the destiny of time and space in the world.
I don't know where it was stolen, and this string of strange beads ended up in the world. The world of the Seven Directions has lost the protection and protection of the Yizhu, and is heading towards the end of fusion and destruction...
That night, the world where Qiao Zhi lived was invaded by monsters called Dark Devours. Overnight, the school turned into a hell...
Intent: Battle for living space