A 33-year-old female middle school teacher who likes to read thriller novels came to the ancient town of W City during her annual vacation, but unexpectedly discovered a male corpse. Terrified, she ran into a tavern in the ancient town, where a boy smiled sweetly at her. After returning to school in City C, a girl in her class did not come to school because her father died suddenly. She suddenly remembered that she had been here about ten years ago and met a little boy. During the evening self-study class, a pale boy came to the office and told her a secret that he had accidentally encountered. A mystery gradually became clear in her mind. In order to restore the entire case, she once again came to W City and surrounding towns to learn about a man who lived here many years ago...
Concept: A female teacher who likes fantasy collects clues about the case