After entering the first truly meaningful bubble world, the man saw a scene where everyone lived in a virtual electronic world. To escape the natural disasters, the people of that world had permanently sealed their bodies inside mechanical coffins deep underground, in darkness and dampness.
He did not enter their electronic world. All he saw were hibernation pods sustaining those skeletal "living dead."
The man found himself from that world.
Lin of that bubble world was the only one who had not entered the electronic world. He alone kept watch over a civilization slowly dying, sustaining their lives like a gravekeeper, accompanied only by electronic devices in a lonely world.
The man did not know whether that Lin had saved them or abandoned them. When he saw the man, Lin was not surprised either. After hearing why he had come, he took some artificially synthesized coffee powder and made himself a cup of coffee.
"Sixty-nine thousand, three hundred and twenty-one. That is the number of people who chose to enter the electronic world. Before they went to sleep, they asked me to bury them after they died."
The unkempt, bearded Lin calmly took a sip of coffee.
"Come find me after I have buried them all."
Later, the man traveled through many worlds. About five hundred years passed in that bubble world before he returned there.
The man found that Lin lying in a freezing pod, aged and frail. After the man arrived, Lin woke up, buried the last person who had already died, then cut off the power.
Sixty-nine thousand, three hundred and twenty-one graves stood underground. The glow of the electronic devices was eventually swallowed by darkness.
The truth was that Lin had neither killed them nor saved them. He had buried hope alongside those graves.
"That was