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...
I-I-It's here! It's actually here!
¡E-Está aquí! ¡De verdad!
¡E-Está aquí! ¡De verdad!
E-E-Ele está ali!
 Ele está mesmo ali!