The Young Masked Trickster.

Across the travels alone, the happy masked salesman has been traveling alone with certain masks. Including a dangerous cursed one made by ancient tribes and. Facing the guilt upon him from letting the dangerous mask ruining everyone's lives from Termina Town, the happy masked salesman needed to atone for his mistakes with one last resort. Before going to pass away soon, he and the secret council uses there magic books to cast a spell on the mask. Making it disappear from the world, hoping that the mask can one day be used to uplift the curse and the potential to wield it.

Meanwhile, in the Union world, a homeless boy finds a strange sealed container in the waste dumps. What he didn't know is the container holds a cursed mask from another world. One where no heroes nor villains can prepared for what there about to face.