Underground in Changbai Mountain, inside the heavy bronze door.
In such a space, the passage of time is as slow as torture. He counted the drops of water and calculated the years.
He knew that his mission was coming to an end and this door would be opened again.
How will the world outside our door change in ten years? He doesn't care about this issue. Whether he has contact with the new world depends on whether there is someone outside the door when the door is opened. People are so fickle, and ten years is so long, but he has inexplicable confidence in those two people.
Suddenly - his consciousness became blurred for no reason. Even if he instantly became vigilant, he could not resist the dizziness. He quickly lost control of his body - this shouldn't be the case. The world inside the bronze door should have been the safest place in the world for him. How could it be?
No one can answer.
Conception: