A young cardfighter, Kamui Katsuragi, heads towards Card Capital in order to become the strongest cardfighter. Kai nominates Aichi, who happens to be at the shop, to fight Kamui.

Kenji Mitsusada joins and forms a team at "Voyage" with the other members of Asia Circuit's top 3, and is set to participate in the shop battle. One day, Mitsusada visits Card Capital without notice.

Voyage gets taken over by Asteroid. Kamui challenges a member of the strongest team "AL4", Kyou Yahagi, in an attempt to reclaim the place where he used to belong.

Tetsu appears before Aichi and friends while they are Asteroid hunting. The hidden power of PSYqualia is discovered when Tetsu challenges Aichi to a cardfight for his research on PSYqualia.