C190 Interlude Sun Junhui Explains the Origin of Time Bag

I didn't know how to explain all of this to Sun Junhui, but he first looked at Little Black's powder, and then said to himself.

"When?" I had no idea what he was talking about.

"Mcluhan's hospital," he said the words that I seemed to have heard a bit about before. I also knew that Mcluhan and Bozeman's world shocking murder case was linked, "At that time