Yuzuko and Momoko line up to get sweet potatoes from the school store. Momoko runs into Nagiko there, and through a serious of events, Momoko ends up believing she's being disrespectful to girls in the other grades. Meanwhile, the occult club tries to solve a riddle...
No, as far as the log goes, 
you just forgot to turn it in.
Du hast es nur vergessen,
das ist alles.
Solo lo olvidaste, eso es todo.
Tan solo lo has olvidado, eso es todo.
Mais non, tu as juste
oublié un rapport.
Ma no, ti sei solo dimenticata di consegnarlo.
Não foi nada, você apenas se esqueceu.