When you start up your computer, there is one more folder you don't recognize.

"0O7n７"

You have no memory of creating it, nor any memory of downloading it.

At that moment, the screen goes black for a split second.

Then, an unfamiliar chat window opens.

"Hi."

A single line of text appears. Followed by another sentence.

"You're going to be my first victim."

The cursor begins to move on its own.

Along with the sensation that someone is watching from the other side of the screen—