Ep. 4: Shindou's Death and the Discovery of Robot Michiru in Shiki's Room
Aired on October 30, 2015

Following the initial homicide, Shiki's uncle, Director Shindou, is also murdered, causing significant turmoil within the laboratory. In an effort to identify the perpetrator, Nishinosono and Saikawa conduct a search of Shiki's room. During their investigation, they uncover a robot named Michiru. Additionally, they discover a cryptic message written in the room that reads, "Everything becomes F." These findings emerge amidst the chaos and heightened tension surrounding the recent deaths, prompting further scrutiny of the environment and its inhabitants as the characters attempt to piece together the events leading to the violence.
Episodes
- Ep. 1 · Professor Saikawa and student visit imprisoned doctor on isolated island
- Ep. 2 · Moe's sinister discovery at Dr. Magata's lab during the Himeka island camping trip
- Ep. 3 · Shiki's sealed room reveals a mysterious corpse that baffles everyone present.
- Ep. 4 · Shindou's Death and the Discovery of Robot Michiru in Shiki's Room
- 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