The bright moon hung high in the sky, and its pure, silvery light streamed through the school hallway, falling on the full-length mirror at the corner of the staircase. In the moonlight, the mirror eerily shimmered with a hazy, soft glow...... ...... It was clearly the height of summer, yet it felt as if I'd been stripped naked and tossed into the Arctic; the bone-chilling cold was almost enough to freeze my scorching blood into ice...... ......The office building wasn't tall-it really wasn't. How could falling from a five-story building leave a person so utterly shattered...... Yu Xiao watched as her close friends died one after another in bizarre and gruesome ways, yet the killer's true identity seemed impossible for anyone to accept. It was clearly the truth-so why wouldn't anyone believe it? The nightmare continued, and so did the deaths. Who would be the next to die a tragic death in excruciating pain? And what was the truth behind all of this? As the mysteries are unraveled one by one, Yu Xiao is shocked to discover that the origin of all this bizarre and terrifying chaos actually lies in... How could this be?