The Go-Busters begin to lose hope when Enter becomes more powerful every time they manage to defeat him, especially when he transforms into an evil version of Red Buster. As Hiromu steels his resolve into sacrificing himself for the good of his friends, Masato tries to prepare an alternative.

Now in an unstable Subspace, the Go-Busters prepare to finish things with Enter once and for all while Masato's enacts his gambit to remove the Messiah Card from Hiromu and save everyone.