Claude informs Declan of a large amount of Fusion activity in the city. Zuzu continues her Fusion lessons from Sora while thinking about the mysterious stranger. She worries about how and why her bracelet mysterious glows again just before Yuya arrives. Meanwhile, the masked stranger is suddenly transported near Leo Corporation where he encounters one of his acquaintances, Shay Obsidian. The next day, Declan and Henrietta discovers that Marco and Herk have been sealed inside cards and believe it to be a different culprit from the one who attacked Sylvio. Sylvio's father still believes Yuya to be the culprit and has some LID duelists chase after Yuya. However, Shay confronts them and summons an Xyz Monster, which traps the duelists inside cards. This knocks Yuya out in the process and by the time he wakes up, everyone is gone leading him to assume it was just a dream before going with Nico to face his next opponent.