After her experience in Virtual Reality, Nishinosono remembers that Saikawa was with her after her parents death. The lab attempts to reset the non-functioning Red Magic system, and as the lights go out Saikawa finds a clue.

The lab maintenance is finished and the system comes back online. The police come to the island, but the investigation has made no progress. At last, however, Saikawa solves the mystery of the locked room and prepares to confront the culprit.

The truth behind the murders is revealed. Moe and Saikawa meet with the killer in virtual reality, and as they reveal the mysteries, they learn what kind of life Dr. Magata lived.