A mysterious robot suddenly appears in front of Yuka. It seems there are datas of various dimensions inside it. Chasing the robot, came a mysterious young man. He introduced himself as...

In order to obtain the newly generated exquisite item, Ignis, a treasure hunter who travels the universe, asked a favor. To acheived that, it seems Yuka must do something.

Ultraman X and the defense team Xio. By watching the records of the battles of them, Yuka learns the necessary mind set to be a defense team member and a warrior fighting for peace.