The latest issue of Japanese magazine V-Jump has revealed that both Joshua and Beat from The World Ends With You will be appearing in Kingdom Hearts: Dream Drop Distance for the Nintendo 3DS. Joshua is a sly teenager while Beat was once a reaper who wanted to bring his younger sister back to life. However, he does have one more partner in the game called Shiki who will be probably be revealed at a later date.
Also, Square Enix has announced that Kingdom Hearts: Dream Drop Distance will be coming March 2012 in Japan. The information was revealed by the company at this years Jump Festa event. Hopefully we will hear about a Western release date shortly.