Madelyn was sitting in the last row. Lem, who sat in front of her, would occasionally turn around to chat with her.

Just then, Madelyn's phone vibrated. She received a photo from an unknown number. A chill was sent down her spine when she clicked on the photo. Her hands trembled uncontrollably.

The person in the photo was lying on a white hotel bed. He was not wearing a shirt with his hand resting on his forehead. The time and date displayed in the photo were not too long ago. The photo was ta