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...
They sold out yesterday, 
and I couldn't get any.
Gestern waren sie ausverkauft,
da hab ich keine mehr bekommen.
Ayer no pude conseguir 
ninguna porque se agotaron.
Ayer no pude conseguir 
ninguno porque se agotaron.
Hier, il n’y en avait plus,
je n’ai pas pu en acheter.
Ieri le hanno vendute tutte
prima che riuscissi a prenderle.
Elas acabaram ontem antes 
que eu conseguisse comprar.