A day after the festival, Keiichi is questioned by detective Kuraudo Öishi who tells him that Takano and Tomitake disappeared the night of the festival. Öishi believes their disappearance is related to a string of mysterious deaths and disappearances known as "the curse of Oyashiro" that have occurred each year on the night of the festival. Keiichi later confronts Rena and suggests that she and Mion are keeping secrets from him. Rena's demeanor changes abruptly and she suggests that Keiichi is keeping secrets as well, citing his hiding of the magazine at the Dam Construction site and his secret meetings with Öishi...