Tsumetai Kousha no Toki wa Todomaru

On a snowy school day, the eight friends head to their classroom as usual. However, what was waiting for them was an empty classroom. Locked doors, unbreakable glass, and a frozen clock. Bewildered by a situation beyond understanding, spite quietly presses near as they try to find out which one among them is the one that's already dead. [uploaded on bato. to]