Looking back, I beckon and take a photo after counting down. As a result, incredibly eerie photos are captured. It all started from curiosity. The terrifying retrospective of descending numbers that two young people encountered when they came to a driving school. Includes a total of three episodes.

A middle school teacher is found in critical condition. The culprit is suspected to be a student, and science teacher Mori and Japanese language teacher Tanino secretly search the empty classrooms. Meanwhile, it becomes clear that a beautiful and talented female student, Manda, is pulling the strings...