A School Frozen in Time Series by Naoshi Arakawa, Mizuki Tsujimura

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 themselves trapped inside with six other friends, and even stranger, all the clocks have stopped at a very specific moment--the exact time when a former classmate jumped off the school roof to their death three months earlier... moreOn 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 themselves trapped inside with six other friends, and even stranger, all the clocks have stopped at a very specific moment--the exact time when a former classmate jumped off the school roof to their death three months earlier. It turns out that this departed friend is their way out of their current predicament and may even be among their group...but no one can remember who it was that took their life on that sad day. The students must face themselves and their past memories to piece together the identity of this suicide victim or risk a similar fate--with their lives lost and forgotten inside these frigid school walls. less

A regular school day has turned into a chilling horror as Hiroshi, Mizuki, and their friends find themselves confined within the frigid walls of Seinan Gakuin. No one can seem to remember who took their own life at the school festival, but whoever it was is keeping them captive. And to make matters worse, the eight trapped classmates become seven when Mitsuru suddenly disappears with only a trail of blood in his place... moreA regular school day has turned into a chilling horror as Hiroshi, Mizuki, and their friends find themselves confined within the frigid walls of Seinan Gakuin. No one can seem to remember who took their own life at the school festival, but whoever it was is keeping them captive. And to make matters worse, the eight trapped classmates become seven when Mitsuru suddenly disappears with only a trail of blood in his place. Now they have even more reason to solve the mystery of their bizarre circumstances—because if they don’t, the only thing they may be leaving is this mortal coil… less

First, there were eight, and now there are six. With Mitsuru and Shimizu now missing, everyone is on edge as they try to find a way out of their horrifying circumstances. The remaining students continue to suspect that the person keeping them trapped is among them, but Shimizu also suggested a bizarre, new theory: they may be inside the mind of the person who took their own life at the school festival... moreFirst, there were eight, and now there are six. With Mitsuru and Shimizu now missing, everyone is on edge as they try to find a way out of their horrifying circumstances. The remaining students continue to suspect that the person keeping them trapped is among them, but Shimizu also suggested a bizarre, new theory: they may be inside the mind of the person who took their own life at the school festival. Takano thinks he might just know who their tormentor is, but many unanswered questions still remain. Can he get to the bottom of this mystery before his time’s up? less

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... moreTick. 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.But answering the question that’s hung dangerously over their heads will reveal one last puzzle to solve—and if they don’t act fast, they just might lose another precious friend… less