Wait what? I swear they said the RAS event starts on the tenth....

Looks like this is gonna focus on the guitarists.

I'm guessing Kaoru's the other 4 star.

I agree with Chomama on the card guesses.

The weird thing is Tae's guitar in this banner. Her guitar is not as pointy as that one.

Edit: Actually, I'm thinking the other member is gonna be Hina because of the light blue guitar strings in the background.

Edit: Oh and here's the preview for the "We Are!" cover:

YouTube video