"From two star creators Naoshi Arawakawa (Your Lie in April) and award winning writer Mizuki Tsujimura (Anime Supremacy!) comes a psychological horror story filled with twists, turns, and hard truths about the lives of high school students and the pressures they face in modern society. On a snowy school day like any other, classmates and childhood friends Hiroshi and Mizuki arrive at school to find the campus eerily empty. Before long, they find...

Tick. Tock. As the clock starts again, Takano and his remaining classmates must face their fears and traumas, still trapped within the frigid walls of their school. Takano finds himself back at the origin point of this icy nightmare: the last day of the school festival. There, he finally remembers who it was that took their own life, and the surprising identity of that person begins to uncover the mysteries that have plagued Takano and his friends....