One day, Yuuki heads out to deliver an item to a client. When Pecorine and the others meet up with him, they discover that the client is Tsumugi, a member of the popular idol group Carmina, and Yuuki is being made to wear a cute outfit at her behest. The group is naturally confused, but there seems to be a reason behind it...
I'll support Carmina's 
dream with all I've got!
!سأدعم حلم كارمينا بكلّ ما لديّ
Ich werde euch mit allen Kräften
bei der Verwirklichung anfeuern.
Apoyaré su sueño con todas mis fuerzas.
Apoyaré vuestro sueño
con todas mis fuerzas.
Vous avez tout mon soutien,
les Carmina !
Io... farò il tifo per il vostro sogno!
Dou apoio total ao sonho das Carmina!
Я помогу мечте «Кармины» всеми силами!