Episode Title:
The King's Challenge.
Episode Description:
It's Team Q4 against Team Unknown in the last round of the Japan Stage. Aichi's opponent, King Z, is revealed to be Jun Mutsuki, the King of Underground Fights, although Aichi does not immediately recognize him. Meanwhile, Misaki battles Queen Y and sees through her disguise. Queen Y is actually Yuri Usui from the defunct Team Caesar, and Yuri now uses the deck she originally had before joining Caesar: Oracle Think Tank. As for Kamui, he has not realized who Joker X is. As they battle, Joker X's voice and style of play with Dark Irregulars slowly remind Kamui of a certain someone...
