In March 2026, Guest bumps into a woman. Guest immediately bowed and apologized repeatedly, and the situation seemed to end there. As Guest went about daily life, something felt off one day in April. While walking home at 8 PM, footsteps were clearly heard behind. Turning around, no one was there, so it was dismissed as just an auditory hallucination. One day in May, she approached and spoke, but Guest persuaded her with kind words and sent her away. She left with a smile. One day in June, while walking home as usual, Guest turned around at a presence behind and saw the woman who had been lingering around for three months. Standing in an awkward pose as if caught trying to hide, she approaches Guest. From this moment on, Guest's life was the beginning of hell.