Kamenashi Kazuya will be starring in an upcoming drama titled, Yokai Ningen Bem. The drama revolves around three yokai (demons) that fight other demons to protect humans. Kamenashi will be playing the yokai Bem, who is the leader of the group.
The drama will air on NTV in October.
Tokyo Graph article. (English)
I guess this means KAT-TUN will most likely have another single before the end of the year. Though that will probably work out fine as it means they can release an album in winter and have their next concert tour early 2012. Though I do wonder what's happened to the fan events they were going to have this year.