Daichi and the rest of Xio meet the esteemed Dr. Touma Kaito, even as Zetton rampages through the city. Dr. Kaito and Xio work on a way to stop the kaiju, but it is revealed he is an imposter, as X is overtaken by a form of a virus and forced to fight alongside Zetton. However, as the real Touma Kaito appears and turns into Ultraman Max, X is forced to fight him.