Yaya officially joins the Yosakoi Club, making for four members. They make progress on their preparations for the department store event, but they forget to bring their CD. Sally-sensei says she'll "ask her sister", who, as it turns out, is student council president Machi. The four approach their first performance, but…
Machi-san, please don't fight with your spinster!
!ماتشي)-سان، رجاءً لا تتشاجري مع أختك العانس)
Machi-san, streite nicht
 mit deinem Geschwister!
Machi-san, no pelees con tu "ane-san".
Machi-san, no te pelees con tu "ane-san".
Essaie de t’entendre
avec ta belle-sœur !
Machi-san, por favor, não brigue com a Nee-san!