After another classmate is found dismembered, Tatsuki agrees to cooperate with the detectives. He shares what he knows about the strange creatures living in their midst, preying on the unknowing public, even while carefully omitting their connection to his father. As far-fetched as it all sounds, the two have good reason to believe him—elements within the National Police have long suspected the same. But something still isn’t adding up for Fukami—the student murders feel uniquely cruel…uniquely human. And he isn’t the only one who’s noticed this about the killer—the other creatures have as well, and it piques their curiosity…