With the order to shut down the Gavan System lifted, Reiji, Setsuna, Kiki, and Kunai once again transform into Gavan. As each of them prepares to settle the score with their arch-enemies, Reiji—who has been entrusted with the emotions of the “higher dimension”—finally faces off against Death Gavan in a one-on-one battle. Soon, memories of his past with Gato resurface, and as Reiji fights across dimensions, the voices of his comrades reach him...