Katsumi and Isami Minato, are brothers who live with their younger sister and father, Katsumi is a hot-blooded college student while Isami is an apparel store clerk. One day, the brothers find the RB Gyro and RB Crystal, when these two encounter a monster appearing in the city, these two use the power of the RB Gyro and RB Crystals to transform into Ultraman Rosso and Ultraman Blubr br The series stars Yuya Hirata(24) as Katsumi and the younger brother, Isami is played by Ryosuke Koike(22). br br The work will have 25 episodes .br br The series is promoted as being entertaining not only as a special effects action piece which depicts the brothers confronting powerful enemies as they grow up, but also as a TV drama focusing on the brothers’ family bond.