第 8 集: 圭一就失蹤事件向美彌質問，導致進入拷問室並揭開悲慘真相。

8

Keiichi and Rena suspect that Mion is behind Rika's and Satoko's disappearance, and inform detective Oishi. Keiichi and Rena confront Mion at her house because the police don't have enough probable cause for a search warrant. Mion admits that Rika and Satoko came over to her house the night they disappeared. She asks to have a private talk with Keiichi before the police arrest her, and she lures Keiichi to a torture chamber. He sees Shion in the dungeon before Mion knocks him out. Mion prepares to torture Keiichi, but stops after Keiichi, believing Mion to be possessed by the demon Oyashiro, begs Mion to spare Shion and to return Mion's body to her. Mion, baffled, asks whether he wants to be spared as well, which Keiichi says is irrelevant compared to Shion's safety. Mion hears a noise and assumes Rena brought the police and tasers Keiichi unconscious. Keiichi and Shion are rescued from the torture chamber and Mion escapes. Keiichi is visited by Mion who stabs him in the stomach. He is gravely wounded and taken to hospital. Keiichi learns Shion has fallen to her death from her apartment. Oishi asks Keiichi if he was certain it was Mion Sonozaki that attacked him. He confirms it. Oishi reveals Mion's body was found dead at the bottom of the well the same day Keiichi and Shion were rescued. Oishi also reveals Miyo Takano, who was burned to death on the night of the festival, had actually died 24 hours beforehand. After Oishi leaves, Mion appears and presumably kills Keiichi. (Source: Wikipedia)