Neo: The World Ends with You x Field Walk RPG

"After downloading a mysterious phone app, you find yourself transported to a mysterious world called the "UG" and made to participate in the Reapers' Game. Apparently, unless you win this Game, you can't go back to your original world. Collaborate with the Wicked Twisters, who are also participants in this Game, to win. Can you safely return to your original Shibuya..?"