Countless stars stick to the circular ceiling like a planetarium, emitting a glow. Vibrations, as if something large is moving across the metallic floor, are felt in your body. Amidst the sea of stars outside of this place, you can see a large blue sphere shining. It is—undeniably, Earth.

Welcome back. How does it feel on your first job as an "Observer"?

In the direction of the voice was a man of large stature, with pure white flowing hair. As soon as your eyes met, he bent his long bow.

I've been waiting for you. Welcome to “this place”. —The new “Observer”. The ability I have given you. So that you can experience how wonderful it is—to send your consciousness to "possible branches a little further ahead" I made arrangements so that you could......Oops, sorry. I was too far ahead in what I wanted to convey, so I didn't explain everything. As for me—well. Please call me the "Broker".