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…
And the magic key 
to open my timid heart
Und den magischen Schlüssel,
der mein schüchternes Herz öffnet.
La llave mágica que abra mi tímido corazón
la llave mágica que abra 
mi tímido corazón.
E a chave mágica para abrir
o meu tímido coração.