Yuuya arrives in a place he's never been before... Yuuto and Kurosaki's hometown, Heartland in the Xyz dimension! Separated from Yuzu once again, Yuuya wanders the desolate city with Gongenzaka and Sawatari. Suddenly, the academy troops appear before them! At the same time, a duelist consumed by hatred wielding a dragon continues the fight.
What do you mean?