Ultraman R/B

Katsumi and his brother Isami, a college student, were working at their father's select shop, when they suddenly encountered an unknown gigantic organism; a monster had appeared on the street.
Using the R/B Gyro, along with the power of the R/B Crystals, they transform themselves into Ultramen!
The battle of Ultraman Rosso and Ultraman Blu starts here!