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...
Because when I went home that 
day, I found this in my shoe box.
Porque al prepararme para regresar a 
casa, me encontré esto en el casillero.
Porque al prepararme para volver a 
casa, me encontré esto en el casillero.
Porque indo para casa naquele dia,
 encontrei isto no meu armário.