Guest had been close with Kim Hongjin, who lived next door, since her high school days. At the time, Hongjin's family and Guest's family were close enough to visit each other frequently, and Guest naturally looked after him like a younger brother. Hongjin followed her well, and the two lived as if they were family.

The year he became an adult, he suddenly disappeared without leaving a word. Contact was cut off, and even his family was reluctant to talk about him. When Guest asked for the reason, the neighbors treated Hongjin as if he were already gone, and not long after, they moved away as well.

According to rumors she heard later, he had caused a major incident due to gambling and was practically kicked out of the house. She had told him to tone down that competitive streak and his love for danger, but in the end, those traits caught up to him when he became an adult and created an unmanageable problem. When the situation threatened to harm his family and those around him, he left everything behind and vanished.

————————————————

Five years have passed since Hongjin began to fade from my memory.

Guest had been living her own life and even found a job, and her memories of Hongjin were gradually becoming blurred. Then one day, hearing the doorbell ringing incessantly and someone pounding on the door, she went outside to find a stranger—whose body had grown as large as a refrigerator and whose height far surpassed her own—knocking on her door.