Ultraman Ace S01 E01 Shine! The Five Ultra Brothers

"Ambassador From The Galactic Federation."

Impressed by the sacrifices of Seiji Hokuto, & Yuko Minami by protecting the people during an attack of Verokron who was created by Dimension Man Yapool, The 5 Ultra Brothers gave the two humans lives, & send their new member Ultraman Ace to be their human host to fight off a age of new Monsters know as Chouju