Right Yumigachi, a brilliant high school student, comes into possession of a sucubus’s Notebook that transforms anyone whose name is written in it into a slut. He plans to use the power of the Slut Note to play god and transform the world. But the brilliant detective O is out to unravel the source of the mysterious sexuality that has overtaken criminals and ne’erdowells the world over. When O’s deduction turns to Right, which young mastermind will outwit the other? Will Right fall into one of O’s clever traps, or will O fall victim to power of the Slut Note?