I'm actually not sure if this is older Akatsuki or Hibiki from Idolmaster cosplaying Akatsuki.

Also I don't know the name of the artist, I just found this on twitter so if someone else could tag it, it'd be appreciated.

There, I fixed it.

MD5 mismatch of http://pbs.twimg.com/media/CVTBdACU4AAC1ao.jpg:orig