Three years have passed since the 1998 catastrophe that claimed the lives of many students in Class 3-3 of Yomiyama’s Northern Middle School. After being assigned to the accursed class, So Hiraцке will have to work side by side with May Misaki—who survived in 1998—to prevent a new catastrophe. But as mysterious accidents and deaths accumulate despite their countermeasures, the pair will be forced to plunge into the deepest secrets of North Yomi…