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"Connection Room"
As the name implies.
It could temporarily connect participants to the Black Tower area of the related world in some way.
"Accessors" and "participants" are different; the former can't intervene too much in the world, their actions are greatly restricted, and they can't trigger various tasks—they enter as mere passersby for a very short time.
The "Connection Room" corresponds to a seven-story building that resembles a residential complex.
Inside, it's more like a high-end internet café.
In each separate black room, there is a high-end "Access Chair."
Through a Fate Cable connected to the chair, one could directly check the status of the 'related world.'
As for "temporary access", it involved extracting an individual's consciousness and transmitting it to a "preparatory body" in the related world, allowing them to act as a common person for a short period.
When Han Dong took his seat,
