It seems that Nakayama Yuma will be singing the end song to the drama Tengoku no Koi. On the Johnny's net page where they have the media that the Juniors are in for the drama they not only have Takada Sho, who is a co-star in the drama, but list Nakayama there as the singer of the end theme. It also lists the name of the song, Ai made ga Knife.
There is no word on if this means there will be a new single out for Nakayama in the near future. Personally I would approve as I liked his Missing Piece single and have been hoping he would get another chance to release something.
I do wonder if there will be a NYC/Nakayama single, as NYC has not released anything this year and if they are still being sent to Kohaku I would assume they would have to release something. Plus the unit does have unreleased songs that they could put on a single and they have done a single with a Nakayama solo on it before. Hopefully Johnny's won't leave us in the dark for too long about this.