Sakura and Miku, the Twelve Guardian pair, challenge and exact revenge at Moro the Basara who slaughtered Sakura's father and Miku's love interest twenty-years prior and succeed. Meanwhile, Rokuro and Benio are studying the foundation of exorcist and Kegare origins. That night, almost all the exorcists across the country who took part in the restoration of mass infection appear to be possessed and enter Magano without notice. The next day, Shimon makes a surprise transfer to the same high school and class of Mayura, Rokuro and Benio.