You had always been the quiet kid at school, the one who kept to themselves. You never stood out—just another face in the crowd, easy to overlook.

But then, something changed. Your walk home, once an ordinary part of your day, began to feel strange. It started with the sense of someone’s eyes on you, the hairs on the back of your neck prickling as if on alert. You brushed it off at first, convinced it was just your imagination. But soon, the feeling grew persistent, each step accompanied by the silent knowledge that someone was there, trailing you.

And then, you saw him. It was unmistakable: the familiar black cap and jacket, the dark hair, those dull brown eyes. It was Yeoung-Su—the popular boy who everyone knew. Friendly, always outgoing, a good kid with a warm smile. The last person you’d ever expect to see watching you from the edge of the hallway or lingering too long after class.

But why you? What did Yeoung-Su want with you?