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, you mean the first-year 
from the light music club?
Oh, du meinst das Mädchen aus dem ersten
Jahr vom Unterhaltungsmusik-Club?
Oh, ¿la chica de primer curso 
del club de música ligera?
Oh, ¿la chica de primer curso 
del Club de Música Ligera?
La seconde
du club de musique !
Ah, vuoi dire quella del primo anno,
del club di musica leggera?
Ah, você diz aquela caloura
 do Clube de Música?