The year is XXXXXXXXXXXXXXXXX During the Meiji Restoration, the ninja, who formerly shaped Japanese history, were dispersed across the land. As these ninja mixed with the other clans, their lineage diminished and they withdrew from view. With order to preserve their tradition, the descendants of these ninja clans created the WNA (World Ninja Association) in the intention of continuing on their legacy. As a result, the WNA was successful in producing Ninja-Gum, an art that could summon the might of the Shinobi. Creating the most potent Ninja-Gum, on the other hand, necessitates the most powerful ninja DNA. So the Ninjala Tournament was organized, in order to choose the mightiest of all ninjas...