The Dark Circle will look for the person with the darkest heart in the universe to be its master...
Luo Xiao: Huan, why can't you speak? It would be great if you could speak...
Dark Circle:... (What do I say when I have a circle?)
This is the story of a girl who holds a dark ring and becomes stronger in the Ultraman world.
Concept: How to maximize the function of the ring