The player will be the female editor "Izumi". "Izumi" deduces murder cases while interviewing instead of the popular novelist "Kagamizuki" who is worried about a murder case and can't write a novel. The novelist "Kagamizuki" has actually already finished deducing the culprit. "Izumi" will go to "Kagamizuki" when the criminal's eyes are revealed based on the information obtained by inquiries, etc., and will solve the mystery while answering the questions answered by "Kagamizuki". Players who have solved the case can jump from the app to the web, browse the epilogue, and get the original standby screen.