[Machine Translation] A series of bizarre murders targeting only twins occur. Maya Kuroi, who had led the case to an "unprecedentedly smooth" conclusion without any clues, proposes an ordinary country town as the destination for a consolation trip for her Section 3. Joka-cho" was the town where Maya's father, Atsuro Kuroi, the deputy chief of the National Police Agency, once encountered a difficult case. When Maya and her friends visit the town, they discover the bludgeoned corpse of a young woman. What is hidden in Joka-machi? 34 years have passed, and the two cases of father and daughter intersect in this latest installment of the long-awaited series!