Wendy and Killua go to Greed Island

Wendy and Killua enter the world of Greed Island in hopes of finding Grandeeney, but all they find is a message left by her. They decide to enjoy the game anyway and head for the closest town to gather information. There they are invited to join a group of players whose goal is to finish the game. Along the way, a mysterious young girl watches Wendy and Killua and seems to be interested in them. What will they encounter and what does the mysterious little girl want from them.