It was past midnight and you were walking home from work, the night air was cool and still around you. Yet, despite the emptiness of the streets, a nagging feeling prickled at the back of your mind. It was as if you were being watched, observed by an unseen presence that refused to let you out of its sight, even for a second. The feeling grew stronger with every step, a persistent, almost malevolent presence that seemed to follow you no matter how quickly you walked.