Yuuki Reiko, member of the Occult Club, barges into the Sket-dan's room holding a picture of one of Kaimei Academy's seven mysteries, the "Ghost of the Incinerator". The Sket-dan are on the case (mainly Switch), trying to find out the truth behind the picture, and getting Shimada Takako from the Newspaper Club mixed up in it, too...
He wasn't able to get inside, and when 
he was discovered the next morning...
No pudo entrar
No pudo entrar...
Ele não conseguiu entrar, e quando
 o encontraram na manhã seguinte...