The Sket-dan is having fun trying to take their minds off the upcoming midterms, when they hear rumors of a mysterious DVD that will curse you with bad luck if you watch it. Just then, Kuramoto Ayumi comes in with a simple request, to help cheer up her friend who has been acting strange lately. But there's more to this than meets the eye, as the stoic Yagi is acting like someone who has seen something they shouldn't have...
The fact this is here is a secret 
between you three and me!
¡Este es un secreto entre ustedes tres y yo!
¡Este es un secreto entre vosotros tres y yo!
É um segredo entre nós 
quatro que o DVD está aqui!