The "incident" was uncovered through the testimony of a girl named Jun Taniguchi, who was taken into police custody. Two months later, when the investigation hit a dead end, a girl who claimed to be an eyewitness to the "incident" came forward. Based on the eyewitness' testimony, the "incident" gradually unravels... The story unfolds in the fictional chapter, and a new development unfolds as the falsehood of the eyewitness' testimony is revealed. What is the truth?