Onoki, who works in the Life Safety Division of the prefectural government, is suddenly transferred to the "Special Countermeasures Office" by order of resignation. The Special Response Office is a department that solves cases and accidents that can only be explained as mysterious incidents. The Special Response Office was a department that solved cases that could not be disclosed to the public. Onoki, who was gathering information at random, heard a rumor about a strange antique store...?!