Two units are making their debut, one with Uzuki, Rin, and Mio, the other with Minami and Anastasia. They all become busy with lessons to prepare for their mini-concert debut. However, Miku's frustrations boil over when her own debut isn't in sight.
Why not add one more?
Three people would be perfect!
Warum nicht noch jemanden dazunehmen?
Drei wären doch perfekt!
¿Por qué no añadimos otra?
¡Tres sería perfecto!
¿Por qué no añadimos otra?
¡Tres sería perfecto!
Si le duo devenait un trio,
ça équilibrerait…
Perché non aggiungerne una in più?
Tre è il numero perfetto!
Por que não colocar mais alguém?
 Três pessoas seria perfeito!