While searching behind his desk drawer, Rin finds a hand drawn map of his neighborhood with a big X marking a specific spot. He doesn't recognize it, because he must have drawn it a long time ago, but he's curious to see what he marked with that X. Three childhood friends join him, and they discover an abandoned chest of drawers at the X location. Wondering if there might be something inside, Rin pulls open the drawers and unknowingly unleashes a horrific chain of events...