Countdown to Despair - S3.E42

Kamui quickly realizes that Kourin is Reversed and resolves himself to defeat her in a cardfight to lift the spell from her. He quickly deals 5 damage to Kourin, who responds by using the card that she could not bring herself to use against Aichi during the camping trip: Broken Heart Jewel Knight, Ashley "Reverse". She uses its devastating Limit Break to retire Kamui's units while increasing her own forces to eventually overpower and defeat Kamui. Meanwhile, Kai returns to Japan and is escorted by Takuto's assistant until he sees Miwa.

Aichi and his classmates finally return to Miyaji Academy where Aichi sees Kamui reeling from his loss to Kourin and about to become Reversed. While Aichi and his friends try to understand the situation, Takuto appears in a live worldwide broadcast in which he announces the beginning of the world's destruction.