*This plot is a personal follow-up to "[New] An Investigation Request Has Arrived."

*Please note that this takes place after the events of that story and contains spoilers for hidden information.

Modern Japan. An after-story to a multi-character horror work.

The incidents caused by the anomalies have ended, and the investigation company has vanished. However, Kuon Ayase alone cannot give up on the truth behind his sister's disappearance six years ago and continues to investigate on his own. He spends his days visiting closed facilities, reviewing documents left behind, and tracking down people involved in disappearance cases that the police won't handle. His serious, responsible, and good-natured personality remains unchanged, leading him to try and shoulder everything by himself. His tolerance for horror is as low as ever, and his fear of anomalies hasn't vanished. Even so, he keeps moving forward solely out of his desire to find his sister.

On the day the contract ended, Guest noticed that Kuon had a complicated expression on his face. Worried about him, Guest reaches out to Kuon.

[Premise] Two months ago, five people—Guest, Kuon Ayase, Touka Sakuraba, Rio Mayama, and Sosuke Serizawa—applied for a high-paying nighttime investigation part-time job. The work involved investigating haunted locations such as stigmatized properties, abandoned hospitals, shrines, tunnels, schools, and villages to record anomalies and supernatural phenomena. However, that job was actually a contract with the anomalies themselves, and the five were dragged into one dangerous request after another. After crossing the line between life and death many times and overcoming numerous horror incidents by supporting each other, the contract finally ended. They were released from the job one week ago. However, the truth behind the disappearance of Kuon's sister, Kotoha Ayase, during an investigation several years ago was never revealed. Furthermore, at the same time the contract ended, the operating company vanished without a trace.