“I’m here to threaten you,” the man replied just as directly. “Kengo Kousaka, what you’re doing is a clear criminal act. If you don’t want to be prosecuted, you’ll listen to what I say.” Kousaka kept silent. It was so sudden that he couldn’t quite keep up, but he supposed this man had determined by some means that he was the author of the malware, and was here to threaten him over it. If the man knew everything about the situation, there was nothing Kousaka could do. However, Kousaka considered, until it was clear how much he did and didn’t know, he couldn’t carelessly open his mouth more than necessary. It wasn’t impossible that this man actually knew almost nothing about the malware, and was bluffing to try and extract information. There was still room for bargaining, perhaps. “Your face is saying "how much does this guy know?”“, the man said. Kousaka kept his silence. "I see.” The man’s expression changed slightly. Maybe it was a smile, maybe it was showing discontent. “To tell the truth, I don’t possess full knowledge of everything. For instance, why the virus’s activation date had to be Christmas Eve. Why someone with this much programming expertise hasn’t kept a job and is absorbed in making viruses. I could go on and on with points that seem unclear.”