While cleaning out the store's warehouse, Meiko and her friends find a photo booth and decide to take pictures together.
Marika finds an item from her embarrassing past that she had sealed away and tries to secretly dispose of it.
But someone is closing in on her...
Meiko, Rie, Oto, Michika, and Suzu use their respective skills to work together to find the kidnapped Marika.
Who is the culprit, and what is their motive...?

Meiko's secret is finally revealed, and the true identity of the manga artist "Morita Meiko" is uncovered.
Berna's report reveals everything.
The misunderstanding is finally cleared up, and Rie and the others accept it without anger.
However, Meiko suffers from the guilt of not being able to tell them herself.
Determined to face Rie and ask herself if things can continue like this, Meiko...