Lovetan posted this on her google+
She said she has just finished recording for
Music Japan where HKT48 will perform "Wink wa Sankai" and that she recorded
"Kanpeki gu no ne" by Warota. She said that Harugon was missing because she was in Jakarta.
https://plus.google.com/115743581016964883134/posts/3LPfcYbwm2COthers have stated the background looks more like
The AKB48 Show!, which is another NHK show, so I'm not sure which show it will be on.