The sky has many colors, bright white, dim gray; warm orange, cold black.
It seems that each one can find its opposite color and attribute, but only one color of the sky exists alone and uniquely.
The blue sky is empty, vast, and unable to hold anything.
——Since it is an existence that cannot be possessed, there is only one possibility.
The person who said this raised his head, looked at the sky within reach, and smiled wantonly.
"It's enough to be owned by us."