It has been announced that Nakamaru Yuichi will be a regular cast member in a NHK suspense drama. The title of the drama is called Last Money ~Ai no Nedan~ and will air for 7 episodes beginning on September 13th.
Tokyo Graph article. (English)
Glad to see another drama role for a KAT-TUN member. I guess even if they don't have their usual concerts they do have other things to keep them busy such as work like this and releasing singles.