Ran, Sonoko, and Sera head to a practice studio with Conan and Amuro so they can form a high school girl band. There they spot guitarist Someka, bassist and vocalist Tadako, keyboardist Rumi, and drummer Hagie. Later, Hagie is found strangled in the studio where she had been napping. The three band members who went to wake her one by one are suspected of killing her, but when the police can't find the string used to kill her, the investigation encounters some trouble...

Chitose gets a big head when she finds out she got a huge role, even before she starts the job. However, the project is in some hot water because of some mix ups involving the production and the author, but she has no idea and is on cloud nine and heads to a meeting and sees two other girls there, her colleague, Yae, and her senpai, Katakura Koto. They suddenly find out that they're supposed to form a unit and have a CD debut...

Tokine is pulled into Quizun during her late-night commute home, which brings her fellow commuters with her into the riddle. Can she solve it and save them all?

It's time for the Earth Defense Idols and Dark Cherry to battle again! Their choice of weapon? Introduction speeches!

Mat exercises are effective for improving your balance and motor control.

The aliens figure out that Min-chan is the superhero's weakness and try to attack her, but...

A Dragon Spot in Kumano results in a brief detour before the Twin Stars and Sae arrive in Kyoto, and they meet the strongest member of the Twelve Guardians.