The Sket-dan is getting filmed for an in-depth story by the AV Club, and their task is to unravel the mystery of the Glass Man, a case of serial window breakings around school. As the Sket-dan narrows down the suspects, the culprit becomes clear, but could this case be a little bit too easy?
But if this is the case, then the 
real culprit will be someone else.
Mas nesse caso, o verdadeiro 
culpado é outra pessoa.