It's the final round of the pair Duels. Juudai and Asuka will be fighting Kenzan and Rei. Asuka plans her strategy and lays out her cards. Meanwhile, Rei confirms that Juudai and Asuka aren't in sync with each other, and lays out cards in a very deliberate manner. Juudai checks with Asuka to see what cards she has, but completely ignores Asuka's intent as he moves forward in his Duel. This makes Asuka angry. In contrast, Rei reveals her face-down card, and it's...
Yes, those two are like a pupa 
that hasn't yet opened.