User blog comment:Hielmiez/Aikatsu Friends! DCD Part 6 Leaked/@comment-3487190-20181211133607/@comment-30379300-20181211134953

Well there's still no info about song for part 6, but RM with their Miracle Dress most likely will get new song, and let's hope they will also feature Marin and Rinna's solo song as well as Baby Pirates song, even though their BFR most likely this coord

That's 99 Cards already included Aikatsu Museum as well, so Premium Rare and Rare Cards actually divide for friends and Aikatsu Museum.

It said Matching Dress for campaign and the design are match each other for Aine, Mio, Maika and Ema, but I don't really know the detail how the coords will be.