Before interrogating her, Mion realizes that Oryō is dead. Mion lures Kimiyoshi to the Sonozaki mansion and violently tortures him to obtain information about Oyashiro's curse. However, Kimiyoshi dies maintaining that he does not know who is behind the curse. The next day, Mion overhears Rika telling Keiichi that the world is "finished," leading Mion to believe that Rika is behind Oyashiro's curse. She strangles Rika to death behind the school and discards her body in the school's septic tank. Unbeknownst to her whereabouts, Satoko becomes concerned since she cannot travel to a new fragment with Rika unless her death can be confirmed...