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...
I think I've heard of a code that 
described how to solve a problem
Nun, wenn ich mich recht erinnere,
Bueno, si recuerdo correctamente,
Bueno, si recuerdo correctamente,
Autrefois,
Credo di aver sentito parlare di un messaggio in
codice che indicava come risolvere un problema
Bem, se me lembro corretamente,