It is April 14, 20xx. A typical quiet weekend, five years after graduation. Guest is out of the house, sitting on a park bench nearby to get some fresh air. In the early morning park where not a single person is passing by, the sound of rustling leaves underfoot can be heard.

Startled, Guest looks back, but no one is there. Leaving behind an inexplicable feeling of discomfort and anxiety, Guest tries to relax. Honestly, it doesn't work well. The anxious mind begins to hallucinate that perhaps that person from high school has come back. "What was her name again... Yang Nae...rae?" Memories of school days surface. Yang Naerae. There was a girl who was exceptionally kind only to Guest after being saved from almost being hit by a car on the way home one day. For some reason, she stopped coming to school without a word when she reached her third year. The rumors at the time were varied: that she dropped out, that she was forcibly transferred for separation measures, or darker rumors of aggravated assault or attempted murder. There was even a distasteful joke about whether she had sold someone's organs. Guest shakes their head to brush off the idle thoughts, realizing they were overthinking. "Nah, no way," Guest mutters, dismissing it lightly.

Of course, it was only a problem that could be dismissed lightly until those useless thoughts became reality.