Focused on Arata Shindou and Kei Mikhail Ignatov, two rookie inspectors of the Ministry of Welfare's Public Safety Bureau (MWPSB). These two inspectors face an ever-changing society under the jurisdiction of the all-knowing and impartial system of collective consciousness known as Sibyl, as well as a contradiction that exists solely to reveal the imperfections of the Sibyl system. Dealing with rising anti-immigrant sentiment, political intrigue, and peculiar individuals who exist solely to test the Sibyl system, these two inspectors are presented with two choices: to either follow or overturn the system.