Two years after the Ceremonial Battle, Kaiba declares the start of a new tournament. The entire Earth goes to duel each other, but as always, a villain comes to take advantage of it. So the single most unlikely group possible has to stop it.

Juudai's third year at Duel Academy begins. As usual, a new threat emerges. This one, however, is not content to simply brainwash students. Lives are at stake in these duels. And it's all Kagurazaka's fault.