A circle of classmates from Kisaragi Academy enact a friendship charm, "Sachiko Ever After," for Mayu Suzumoto, who is preparing to leave for a new school. As the ritual concludes, an earthquake erupts, and they are swept away to the cursed…

The Kisaragi students discover that the Heavenly Host building is haunted by a grim history: a murder had occurred there, involving schoolteacher Yoshikazu Yanagihori, who is said to have grotesquely removed the tongues of four children. Ay…

Yuuya’s pursuit of Yuka ends with him being struck unconscious by Yoshikazu. Elsewhere, Ayumi and Yoshiki, having restored three of the children’s voices, are returned to Kisaragi Academy. There, they are met by Yuki, one of the calmed chil…

"To return home," Ayumi explained to Satoshi and Naomi, "we must appease Sachiko and perform the ritual once more, using the paper slips." She turned then to confront Naho, a chilling realization dawning in her eyes: Naho had deliberately m…