Ep. 9: Saikawa solves the locked room mystery after police investigation stalls on the island.
Aired on December 4, 2015

Laboratory maintenance concludes, allowing the system to resume normal operations. Law enforcement officers arrive on the island to continue their inquiry, yet the investigation yields no significant breakthroughs or progress. Despite these setbacks, Saikawa successfully deciphers the secrets behind the locked room incident. With the mystery resolved, he readies himself to face the individual responsible for the crime. This development marks a pivotal moment as the narrative shifts from the stalled police efforts to Saikawa's personal confrontation with the culprit, bringing the case closer to its resolution.
Episodes
- Ep. 5 · Nishinosono and Saikawa investigate Shindou's murder and Shiki's past
- Ep. 6 · Saikawa and Nishinosono return to the camp and investigate Dr. Shiki's rooms for a clue.
- Ep. 7 · Saikawa encounters Miki and notes Dr. Magata's unchanged childhood mind while Moe faces her past in VR with Shimada.
- Ep. 8 · Nishinosono recalls Saikawa's presence after her parents' death following VR experience
- Ep. 9 · Saikawa solves the locked room mystery after police investigation stalls on the island.
- Ep. 10 · The reality behind the murders is exposed through a virtual reality meeting.
- Ep. 11 · Saikawa and Nishinosono resume normal life after the Magata Labs incident.