This is a show that takes the premise of ninja-powered gum completely seriously. The action choreography doesn't apologize for its toy-commercial origins, it leans into absurdity and makes it work through sheer commitment to the bit. You watch kids transform gum into weapons with the same matter-of-fact tone a better show would use for ancient bloodline awakening, and that tonal confidence becomes the entire appeal. The WNA framing gives it just enough structure to land the comedy without collapsing into parody. This is pure Saturday morning energy rebuilt as a real anime, which means it knows exactly what it is and refuses to wink at the camera.
Centuries have passed since ninjas shaped Japan's destiny, but their bloodlines never disappeared. Now scattered across the globe, these descendants unite under the World Ninja Association with a singular purpose: revive the art of ninjutry for a modern age. Their secret weapon is Ninja-Gum, a revolutionary substance that unlocks dormant shinobi abilities in those who chew it. But there's a catch. Creating the ultimate Ninja-Gum requires DNA from the world's strongest ninja, which means only one solution makes sense: a tournament where the most talented young fighters compete for supremacy. Competitors from every corner of the planet answer the call, each believing they carry the mightiest ninja heritage. What unfolds is equal parts action-packed combat and comedic chaos, as these determined rookies clash with ridiculous weapons, over-the-top powers, and genuine heart. The tournament becomes the stage where ancient tradition meets contemporary spectacle, where hidden warrior bloodlines prove themselves against the clock and each other. It's ninja combat reimagined for a world that forgot they ever existed.