Six days after stem cells were injected into the subventricular zone, Kim Hyun-Taek saw the aurora borealis. 0

‘I wanted to travel and see them when I retired.’2

Some people believed that as the scientific clarity of something grew, the literary meaning of it faded. For example, the fact that the heart was just a mechanical tissue that beat steadily according to signals from the brain and excitement in the nodules removed the heart’s many literary qualities: love, passion, and other emotions that were believed to be contained in the heart. 0

But some things remained mysterious and touching even when all the mechanisms were scientifically clear. A photoelectric phenomenon that occurred when plasma particles ejected to Earth by the solar wind collided with the magnetic field in the upper layers of the atmosphere to produce light. Even Kim Hyun-Taek, who knew exactly what the aurora borealis was, was touched when he saw it. 0

As he watched it, he heard a familiar voice around him. The voice, which was growing clearer and clearer, belonged to his greatest nemesis in life.0

“Can you hear me, Mr. Kim Hyun-Taek?” Young-Joon asked. “Please open your eyes if you can hear me. Your basal ganglia and part of your cerebellum has been recovered....0