Sorry to have kept you waiting...here are the official photos from the KK50 festival.
Here's a rehearsal shot from the 1st day at the Budokan.
The song was Oriental Diamond.

Another rehearsal shot...

The setlist started with "Jet Keisatsu" and was a great setlist.
The back the T-shirts say "KAWANISHI50". Some of you may have noticed but the girls wore similar shirts everyday but it was all different. We made 8 different "KAWANISHI50" T-shirts.

Here's Yusuke-san...

Here's AMiYumi singing "DOKI DOKI"

Naka-san doing his guitar solo.

During there MC, calling Kawanishi-san onto stage.