Price: 814 yen Takao Amaku is invited to the Kuzu-ryu mansion, which stands in the mountains of Nagano Prefecture. There, waiting for her, was the "final request" from Reishinro Kuzuryu, a genius of computer engineering. However, soon after beginning the investigation, a certain "murder" occurs, and the situation becomes increasingly chaotic. The suspects emerge, and the incidents are linked. And finally, the suspicion falls on... who could it be? A full-length medical mystery written by a practicing doctor!