Cross Dimension

The Cross Dimension (クロス次元 Kurosu Jigen) is the Dimension where all Duelists use. The society of the Cross Dimension is far more futuristic than the other Dimension, bearing resemblance to future societies of science fiction. This society is also currently at war with another society located in the same dimension, although the reasons for the war are unknown. In place of standard weaponry, Duelist take the place of regular soldiers and fight wars through Duels and the use of a system that allows the battles in Duels to become real. Dueling is no longer a mean of entertainment, but is now a tool for war.

's counterpart in this Dimension is Yumera, a young female who has been trained as a Duel Soldier since she was young.