City Hall

Zhang Chen followed the blonde woman, who looked to be around twenty-seven or twenty-eight, through two blocks until they arrived before an ordinary European-style residential building. He followed her up to the third floor.

"Come in. Hardly anyone ever comes here."

As Zhang Chen entered the room under her guidance, he had assumed that since she went out "hunting" every day, she often brought her prey home to consume, leaving the place in utter disarray. Yet what he found was a clean, neat, and simple room.

"I clean the house regularly. Other than you, sir, I never let outsiders come in here."

"Cut the nonsense. I'll ask you a few questions next. Just answer truthfully. If you answer well, I'll try not to make trouble for you."

Zhang Chen looked exceptionally stern as the two sat facing one another at opposite ends of the sofa.

"It seems that everyone in this city has a mass of black energy inside their body. Do you know what's going on?"

"I do. About thirty years ago, a deadly virus began spreading from the center of Reykjavik, the capital. Within forty-eight hours of infection, black spots would first appear on the body, followed by muscle decay and organ failure throughout the body, ultimately resulting in death."

"Then, on the fourth day after the outbreak began, the capital's hospitals announced that a vaccine capable of suppressing the virus had been developed and was being mass-produced. By that afternoon, every small clinic had large quantities in stock, and the government offered free vaccinations to everyone."

"It was said that the mayor of Reykjavik had proposed making it free. Everyone was vaccinated within two days. But the process was very strange. Instead of using a traditional injection, they had us put our arms into a huge black