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?
What the hell?! Isn't the Glass Man a man?!
¡¿Qué demonios?! ¡¿El Hombre Ventana no era un chico?!
¡¿Qué demonios?! ¡¿El Hombre Ventana no era un hombre?!
Que diabos?! O Homem de 
Vidro não é um homem?!