A Record of a Mortal's Journey to Immortality: Gu Insects Are a Law of Heaven and Earth

Node location: 35 degrees 41 minutes north latitude, 139 degrees 41 minutes east longitude. Key status: inactive. Approximate location: Shibuya Ward.

I jotted down the line and exited the System. The next morning, I sent the information to Zhou Yuan. He forwarded it to a friend working in Tokyo, a former colleague he'd met in Silicon Valley who worked in data science and had recently been having trouble sleeping, too.

Two days later, Tokyo sent back a reply. The key had been found in the basement of an old record shop in Shibuya. The owner was an old man who had no idea what the thing was for. Zhou Yuan's friend bought it from him for 20,000 yen.