The World Ends With You, the designer recently told Nintendo Power (transcribed by Siliconera) that "I definitely want to make a sequel." See that, Nomura? We're in your mind.
Of course, games at Square Enix are developed in a set order, and Nomura explained he's "very busy working on other titles right now, but when the time is right, I would love to make another installment of The World Ends with You." Now we just have to use our psychic powers to convince Nomura to go ahead and skip all those other games. Then we're going to make him do a funny little dance. Because we can.