“Are you Ultraman? Or are you Katsumi Minato?”
A mysterious Ultraman, Ultraman Tregear, has appeared in Ayaka City out of nowhere.
A question from Tregear on making dreams come true makes Katsumi seek for “his own dream”.
Ultraman Rosso/Katsumi Minato, Ultraman Blu/Isami Minato, and Ultraman Geed/Riku Asakura stand against and battle a Kaiju which appeared for the first time in a year!
The Minato brothers are now walking towards their dream, and with the hearts of the Minato Family, Ultraman Gruebe is born!