The mysterious challenger Katsuki defeats Megumi and challenges Danji to a match, but Danji has a condition: to defeat Yu-yu first. And that's how Yu-yu started his special training with Danji for the cardfight one week later.

"Deluxe", the tournament that would decide the strongest fighter commences. The opening ceremony takes place at Ariake Arena. Shortly before, the Top Fighter Michiru Hazama challenges Danji Momoyama to a fight. As two old acquaintances, what is it that Michiru entrusted Danji with?

Yu-yu is overwhelmed by the serious battle with Raika. Mirei visits Yu-yu to cheer him up and brings him a gift. The next opponent is his team mate, Zakusa Ishigame. As Zakusa pushes him with his all, what is this new power that Yu-yu is clad in?!

Uniformers is a group that trains on the basis of data with the goal of having the "Ultimate Fight". Urara hits it off with one of their members, Halona. And the person Halona introduced as one who knows true power is none other than the organiser of Deluxe, Jinki Mukae.