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...
We're the idol guild that sings, dances, 
and fights to protect everyone!
!نحن نقابة الآيدول التي تغني، ترقص وتقاتل لحماية الجميع
Somos el gremio de idols que canta,
baila, pelea y los protege a todos.
Somos el gremio de idols que canta,
baila, pelea y protege a todos.
Nous sommes une guilde d’idoles.
Siamo la Gilda delle idol che cantano, ballano
e combattono per proteggere tutti quanti!
Somos uma guilda idol! Cantamos,
dançamos e lutamos para proteger a todos!
Мы из гильдии айдолов, где мы поём,
танцуем и сражаемся ради защиты людей!