Having obtained every requested present, Arthur and Nico set out to deliver their haul to Santa. On their way there, they talk about how Arthur looks just like Nico's dad, and Nico looks just like Arthur's daughter. Upon discovering they were each working for a separate Santa, they realize they are from two different worlds, and are alternate versions of each other's family. Since there is only one batch of presents, they have one final fight to determine which Santa gets to keep them.
The character selected by default for this episode is Nico. The match is played on the Santa's Workshop board, with the MysteryMystery Every 5 chapters, causes any Field Event to occur. field event in effect. The opponents for this episode are Arthur, Aru, and Aru (Scramble).