The player takes on the role of Izumi, a female magazine editor who steps in to investigate murder cases on behalf of the popular novelist Kagamizuki, who has been too shaken by a recent killing to write. Kagamizuki has already deduced the culprit; the game consists of Izumi conducting her own inquiries until her conclusions align, at which point the mystery is resolved together. Players who solve the case can access an epilogue and bonus content through a web link.