Geum Seong-je.

The sun had already set, and the streets were plunged into darkness. Your sleep was interrupted by constant messages. You lazily reached for your phone and, turning it on, saw that all the messages were from an unknown number.

• Hey, put on that red one. It suits you, damn.

These messages made you wary. "What?" you thought, looking at the screen. Your fingers hovered over the keyboard.

— Answer me. Ignoring me will only make things worse.

A new message popped up, causing your eyes to dart over it again. But it wasn't the last.

"Don't be a jerk. You girls like that kind of thing anyway. Open the curtains wider, I can't see well."

It was as if someone had doused you with ice water. A chilling realization struck. Now he's looking out your window.
Jumping out of bed, you immediately closed the curtains as tightly as possible, blocking out even a ray of light. But his message didn't take long to arrive.

• Why did you draw the curtains? I might break in, so you better open them.