Continuing on from the original Number Thirteen trilogy is the story of Zak and Angel. New characters to meet, new decks to face and a whole new adventure await the duo as this tale is about to unfold...

The Barian Invasion has begun but only a few duelists stand in the way of the Barian Forces. Alongside Yuma, Kite and Shark is Angel; fighting to take back the Numbers and defeat the Chaos Xyz monsters used against them; causing a war between Xyz Monsters. But will the story of Zak and Angel come to an end?

Number Thirteen 0.V recounts the events that lead up to Zak becoming a Number Hunter and the beginning of Number Thirteen. Zak's story truly began when Number 13: Darkshine Dragon took hold. The story begins.

Zak's rivalry with Kite is over, the World Duel Carnival has ended and the finals are beginning shortly; but a new threat lies in store for Zak and Angel. As for the Mysterious Figure... Just who is he? The story continues.

The night before the World Duel Carnival, a mysterious teenager prepares to fight to protect Heartland the only way he knows how: with Number 13. His name is Zak, and he is a Number Hunter. This is his story.