[Throwing aside all restraints, I just want to protect the most important and irreplaceable one]
The world is composed of countless different dimensions and timelines.
I don't know since when, a wonderful and unique space-time mezzanine space was discovered between dimensions, and the legendary guardian of time also appeared. The reason and responsibility for their creation is to maintain the balance between dimensions and the timeline, and they are the supervisory implementers under the Iron Discipline.
The stage of this story will begin with two of the dimensional spaces──
