Chrono picks a random quest to fight someone and goes to meet them at the Vanguard Colosseum, which employs the latest technology to make Vanguard fights more realistic than ever before. But Chrono`s opponent turns out to be Kouji Ibuki, a cold-hearted pro who sees right through him.

Everyone is talking about the mysterious Gear Chronicle deck, possessed by only one person... who is currently suffering from a major toothache, but rather than going to the dentist, Chrono heads to Card Capital to fight a classmate, a beginner who`s been coached by Tokoha, the girl destined to become Chrono`s rival!