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...
Oh, in that case, you should
 have used a stepladder.
Oh, wenn das so ist, hättet ihr
eine Stufenleiter nehmen sollen.
Oh, podrían haber utilizado una escalera.
Oh, podríais haber utilizado una escalera.
Ah, in questo caso, avresti
dovuto usare una scala.
Ah, nesses casos vocês 
deviam ter usado a escada.