COMPATIBILITY!! E7 x Doctor Yellow

Synopsis

Kitralzus executive Sōgyoku rolls out a strategy of spawning Salamanders in various locations to scatter the Shinkalion's combat power. And Seiryū, burning with vengeance for Genbu, waits for Hayato's E5 Hayabusa aboard the Black Shinkalion. To settle the battle with the Black Shinkalion, Ryūji proposes a new power: a Cross Combination between the E5 Hayabusa and the "Doctor Yellow." But for the Cross Combination to succeed, strict conditions must be cleared.