In the midst of the Kameyama and Otori families' rivalry for control of Otori Academy, unsettling events continue to disrupt the campus. Senna encounters strange, script-like tendrils and a demonic force that leaves her shaken. At the same time, Mao attempts to confront the rumored man in the iron mask, only to be overpowered until Hitomi Kameyama arrives to intervene. With danger mounting, the academy faces the threat of further eerie occurrences.