Who Are They

During the summer vacation, Class 2 of Senior High School summoned students back to school on the pretext of giving lectures on college entrance examinations. After returning to school, the signals disappeared strangely, there was a continuous heavy rain, classmates died in strange ways, and a strange drama came out of the radio station... The bloody writing that appeared on the blackboard of the disappeared teacher whipped their unknown secrets over and over again, and day and night cycled in a strange way. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.